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149 articles in the past 4 days | "astronomy scientific research, space exploration, deep sky news" | Sort by Relevance | Filter by 4days
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scitechdaily
An easy-to-use technique could assist everyone from economists to sports analysts. Pollsters trying to predict presidential election results and physicists searching for distant exoplanets have...
Source: scitechdaily
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sciencealert
Unexpected weapons to fight superbugs.
Source: sciencealert
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scitechdaily
Researchers used satellite data to calculate the depth of water in this transient freshwater body. California’s Death Valley, the driest place in North America, has...
Source: scitechdaily
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sciencealert
The iconic mystery has a shocking origin.
Source: sciencealert
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sciencealert
It's a bizarre 600-year-old puzzle.
Source: sciencealert
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scitechdaily
The mystery of how Pluto got a giant heart-shaped feature on its surface has finally been solved by an international team of astrophysicists led by...
Source: scitechdaily
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sciencealert
Bring it in.
Source: sciencealert
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scitechdaily
James Webb Space Telescope observations show no sign of heavy elements. In October 2022, an international team of researchers, including Northwestern University astrophysicists, observed the...
Source: scitechdaily
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spacenews
Boeing’s CST-100 Starliner is now installed on the Atlas 5 rocket that will launch the spacecraft on a crewed test flight to the International Space Station next month.
Source: spacenews
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sciencealert
A true horror.
Source: sciencealert
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scitechdaily
New research has discovered that a chemical associated with unhealthy diets or uncontrolled diabetes may elevate the risk of cancer over time; Emerging evidence reveals...
Source: scitechdaily
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space
The 2024 solar eclipse, as seen from Indianapolis, connected strangers across a famous racetrack.
Source: space
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spacenews
5N Plus is a global producer of specialty semiconductors and performance materials based in Montreal, Canada
Source: spacenews
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scitechdaily
A previously overlooked type of immune cell allows SARS-CoV-2 to proliferate, Stanford Medicine scientists have found. The discovery has important implications for preventing severe COVID-19....
Source: scitechdaily
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space
A study suggests the ice giants Uranus and Neptune aren't quite as watery as previously thought. They may also contain huge amounts of frozen methane, potentially solving the puzzle of how they formed.
Source: space
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phys.org
In this image from Feb. 12, 2024, engineers lift a mast into place on NASA's VIPER (Volatiles Investigating Polar Exploration Rover) robotic moon rover. VIPER's mast and the suite of instruments affixed to it look a lot like the rover's "neck" and "head." The mast instruments are designed to help the team of rover drivers and real-time scientists send commands and receive data while the rover navigates around hazardous crater slopes, boulders, and places that risk communications blackouts.
Source: phys.org
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scitechdaily
UNIGE scientists have reconstructed for the first time a film of the assembly of the human centriole, one of the essential structures that constitute our...
Source: scitechdaily
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space
The unexplained mass of a remarkably massive galaxy suggests that dark matter interacts with itself, according to new observations by the James Webb Space Telescope.
Source: space
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phys.org
Ceres, the largest asteroid in our solar system, harbors a dark secret: extremely young ice deposits in permanently shadowed craters near its poles. If that sounds vaguely familiar, it's because our moon and planet Mercury also have such polar ice deposits, which have been studied for decades.
Source: phys.org
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universetoday
The Milky Way is ancient and massive, a collection of hundreds of billions of stars, some dating back to the Universe’s early days. During its long life, it’s grown to these epic proportions through mergers with other, smaller galaxies. These mergers punctuate our galaxy’s history, and its story is written in the streams of stars …
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scitechdaily
Amplified Industries, founded by Sebastien Mannai, helps oil field operators eliminate spills and stop methane leaks. There is a staggeringly long list of things that...
Source: scitechdaily
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space
Boeing's Starliner spacecraft moved between buildings at NASA's Kennedy Space Center in Florida to get ready for launch. Its first astronaut mission is expected on May 6.
Source: space
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spacenews
Satellite industry veteran Mark Rigolle is taking the helm of ABS after Amit Somani’s sudden departure early this year in the latest shake-up for the Dubai-based regional satellite operator, the company announced April 16.
Source: spacenews
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phys.org
Whether life exists anywhere besides Earth is a burning question that, at long last, may soon be answered.
Source: phys.org
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spacenews
The development of space and airborne sensors to track moving targets on the ground, and a new GPS satellite design would be accelerated under the initiative approved by Congress
Source: spacenews
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scitechdaily
Researchers at the University of Copenhagen’s Niels Bohr Institute have developed a new way to create quantum memory: A small drum can store data sent...
Source: scitechdaily
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space
A preview of the "Star Trek: Lower Decks" Season 4 Blu-ray and DVD, which was released today (April 16).
Source: space
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sci.news
Using data from ESA’s Gaia mission, astronomers have discovered a nearby binary system composed of a giant star orbiting a dormant black hole of of stellar origin in 11.6 years.
Source: sci.news
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phys.org
Evidence from the fragments of a destroyed asteroid suggests that the shift in the positions of the giant planets in our solar system billions of years ago happened between 60–100 million years after the solar system's formation and could have been key to the formation of our moon.
Source: phys.org
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spacenews
Recently appointed CEO Dan Smoot says Maxar wants to solidify its position as supplier to the U.S. government, while simultaneously expanding its international reach
Source: spacenews
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space
The robotic telescopes of the Virtual Telescope Project have observed a quasar powered by a supermassive black hole 3 billion times as massive as the sun at the very edge of the universe
Source: space
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scitechdaily
Scientists have found that a specific kind of fat builds up in tissues as they age, and that exercise can reverse this process. A team...
Source: scitechdaily
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phys.org
A nearby supernova in 2023 offered astrophysicists an excellent opportunity to test ideas about how these types of explosions boost particles, called cosmic rays, to near light-speed. But surprisingly, NASA's Fermi Gamma-ray Space Telescope detected none of the high-energy gamma-ray light those particles should produce.
Source: phys.org
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phys.org
When faraway stars explode, they send out flashes of energy called gamma-ray bursts that are bright enough that telescopes back on Earth can detect them. Studying these pulses, which can also come from mergers of some exotic astronomical objects such as black holes and neutron stars, can help astronomers like me understand the history of the universe.
Source: phys.org
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phys.org
"Oh, come on Daniel, space travel is so expensive, and pointless!" These were the words of my friend Max, during a Christmas party where I was discussing my thesis project: studying places on Earth where the living conditions are so extreme, they could hold lessons for future space missions.
Source: phys.org
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scitechdaily
Astrophysicists Quantify the Mass Loss of Stars via Their Stellar Winds An international research team led by a researcher from the University of Vienna has...
Source: scitechdaily
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phys.org
To take a census of nearby cosmic objects, sending out a survey won't work. Scientists need to use many telescopes with different specializations to chart what is in the general neighborhood of the sun.
Source: phys.org
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newscientist

How to destroy a black hole

yesterday (37h ago)
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A black hole would be tough to destroy, but in the season two premiere of Dead Planets Society our hosts are willing to go to extremes, from faster-than-light bombs to time travel
Source: newscientist
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space

Will the constellations ever change?

yesterday (38h ago)
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BepiColombo spotted an outpour of carbon and oxygen atoms in Venus' fragile magnetic environment
Source: space
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scitechdaily
Rice find could hasten development of nonvolatile quantum memory. Rice University physicists have discovered a phase-changing quantum material — and a method for finding more...
Source: scitechdaily
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phys.org
From house plants and gardens to fields and forests, green is the color we most associate with surface life on Earth, where conditions favored the evolution of organisms that perform oxygen-producing photosynthesis using the green pigment chlorophyll a.
Source: phys.org
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space
Switzerland became the 37th country to sign the Artemis Accords for peaceful moon exploration with NASA on April 15, following the inclusion of Greece and Uruguay in February.
Source: space
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universetoday
Hmmm spaceflight is not the easiest of enterprises. NASA have let us know that their plans for the Mars Sample Return Mission have changed. The original plan was to work with ESA to collect samples from Perseverance and return them to Earth by 2031. Alas like many things, costs were increasing and timescales were slipping …
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scitechdaily
A groundbreaking approach utilizes a split Lohmann lens-based diffraction model for the real-time creation of Computer-Generated Holography (CGH), dramatically lowering computational demands while preserving the...
Source: scitechdaily
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phys.org
If you want to know where elements come from, look to the stars. Almost every element heavier than helium is formed through nuclear reactions in stars. But which stellar processes are responsible for these elements? Can we find patterns in how much of each element we observe in different astrophysical environments, like stars, galaxies or globular clusters?
Source: phys.org
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space
To see the premier astronomical observatory in its full-size glory, you need to go to Lagrange Point 2, a location farther away than anyone has traveled. Or, soon, you can visit Colorado.
Source: space
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sciam

Treating Prostate Cancer at Any Stage

yesterday (40h ago)
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Major discoveries during the past 10 years have transformed prostate cancer treatment, enabling it to proceed even for the most advanced form of the disease
Source: sciam
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sciam
Experts describe ways to turn down the volume, from earbuds to smartphone apps that detect harmful noise levels
Source: sciam
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sciam
Changing demographics mean shrinking families and more older relatives in future decades
Source: sciam
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sciam
Pavlov’s dogs; Mercury’s dark side
Source: sciam
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sciam
Reducing noise improves health, JWST’s galaxies change astronomy, and there’s new hope for people with prostate cancer
Source: sciam
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sciam
A novel about the tensions between nature and modernity, animal social networks, and more books out now
Source: sciam
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sciam
Scientific expertise is typically limited and specific. When evaluating scientific claims, look to the relevant experts
Source: sciam
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sciam
A high-tech pair of gloves can help make learning instruments and other hands-on activities easier
Source: sciam
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sciam
Reducing the need for car travel is better for health, the environment and public safety
Source: sciam
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sciam
Contact with nature improves physical and mental health, but greenery is not easily reached by all
Source: sciam
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sciam
Making schools more welcoming for all can make for a fair and just society
Source: sciam
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sciam
What makes a word survive or go extinct?
Source: sciam
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sciam
A rice-grain-size fish screams louder than a jackhammer—and we have a lot to learn from its minuscule brain
Source: sciam
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sciam
In a new book, the wisdom of plants is a balm for our changing planet
Source: sciam
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sciam
Writers, artists, photographers and researchers share the stories behind the stories
Source: sciam
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sciam
Fossil and living birds reveal the dazzling biology of feathers
Source: sciam
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sciam
Artificial DNA sorts images like a neural network does
Source: sciam
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sciam
New research examines the molecular machinery behind a beetle’s strange biological cycle
Source: sciam
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sciam
Letters to the editors for the January 2024 issue of
Source: sciam
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sciam
Certain brain layers specialize in particular waves—which might aid understanding of neuropsychiatric disorders
Source: sciam
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sciam

Poem: ‘Lucy’

yesterday (40h ago)
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Science in meter and verse
Source: sciam
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sciam
Social context shapes how fiddler crabs communicate by vibrating the ground underneath their burrows
Source: sciam
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phys.org
Using the Lowell Discovery Telescope (LDT), astronomers from the Lowell Observatory in Flagstaff, Arizona, have observed a young Galactic open cluster known as Berkeley 50. Results of the observational campaign, presented April 5 on the preprint server arXiv, shed more light on the properties and stellar content of this cluster.
Source: phys.org
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theconversation
Whether people are hunters can have a big effect.
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theconversation
There is no shortage of horror stories about online shaming, but it’s not always a bad thing. It comes down to who is doing the shaming and how cohesive the online community is.
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theconversation
New research found a way to both improve the accuracy of deepfake detection algorithms while also enhancing fairness.
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theconversation
There are many ways to kill microbes that cause dangerous infections. Combining genetic screening with machine learning can help researchers identify new antimicrobials.
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theconversation
Where specialized algorithms fail to classify star-borne pulses, human volunteers with just a little training can step in.
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scitechdaily
Chemicals stored in home garages linked to amyotrophic lateral sclerosis risk. These include chemicals found in gasoline and gasoline-powered tools, lawn maintenance products, pesticides, paint,...
Source: scitechdaily
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space
The first year of Dark Energy Spectroscopic Instrument (DESI) data seems to show that dark energy is weakening over time, possibly the biggest cosmological discovery for 25 years.
Source: space
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sciam
As the Event Horizon Telescope pursues ambitious upgrades, the project’s latest results reveal the magnetic fields around our galaxy’s supermassive black hole
Source: sciam
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sciam
The emerging science of laying guilt through public messaging can help safeguard the planet and improve health behaviors
Source: sciam
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scitechdaily
Study shows neutrons can bind to nanoscale atomic clusters known as quantum dots. The finding may provide insights into material properties and quantum effects. Neutrons...
Source: scitechdaily
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spacenews

Switzerland signs Artemis Accords

yesterday (41h ago)
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Switzerland formally signed the Artemis Accords April 16, becoming the latest nation to join an agreement about sustainable space exploration.
Source: spacenews
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sciencealert
They call it goldene.
Source: sciencealert
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sciam
In cultures hostile to African hairstyles, so-called dreadlocks have long been a countercultural symbol for those who stand in opposition to oppressive ideals
Source: sciam
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sciam
Deadly bites could surge as venomous snakes migrate into unprepared countries as the climate changes
Source: sciam
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spacenews

Download the 2024 Space Symposium Daily

yesterday (42h ago)
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SpaceNews produced the official Show Daily for all three exhibit days of the 38th Space Symposium at the Broadmoor Hotel in Colorado Springs, April 17-20, 2023.
Source: spacenews
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spacenews
Among Western launch vehicles alone there were five partial or complete failures on orbital launches in 2023 (six when counting the second, suborbital test flight of SpaceX’s Starship in November.)
Source: spacenews
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spacenews
The satellite industry would seem to have nearly a billion reasons to embrace satellite servicing. But the insurers who are on the hook for massive claims are taking a far more cautious approach.
Source: spacenews
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scitechdaily
More synchrony between parents and children may not always be better, new research has revealed. For the first time a new University of Essex study...
Source: scitechdaily
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universetoday

Peter Higgs Dies at 94

yesterday (42h ago)
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Just like Isaac Newton, Galileo and Albert Einstein, I’m not sure exactly when I became aware of Peter Higgs. He has been one of those names that anyone who has even the slightest interest in science, especially physics, has become aware of at some point. Professor Higgs was catapulted to fame by the concept of …
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scitechdaily
Nitrogen is a nutrient essential for all life on Earth. Despite the abundance of nitrogen gas (N2) in the atmosphere, it remains largely inaccessible to...
Source: scitechdaily
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scitechdaily
Researchers employ deep brain stimulation to localize disrupted neural pathways. When certain connections in the brain malfunction, conditions like Parkinson’s disease, dystonia, obsessive-compulsive disorder (OCD),...
Source: scitechdaily
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phys.org
You may have flown a flight simulator in a computer game or at a science museum. Landing without crashing is always the hardest part. But that's nothing compared to the challenge that engineers are facing to develop a flight simulation of the very large vehicles necessary for humans to explore the surface of Mars. The Red Planet poses innumerable challenges to astronauts, not the least of which is getting there.
Source: phys.org
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phys.org
NASA confirmed Monday that a mystery object that crashed through the roof of a Florida home last month was a chunk of space junk from equipment discarded at the International Space Station.
Source: phys.org
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phys.org
NASA's plan to bring samples from Mars back to Earth is on hold until there's a faster, cheaper way, space agency officials said Monday.
Source: phys.org
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newscientist
A black hole 33 times the mass of the sun is the largest stellar black hole ever spotted, and its strange companion star could help explain how it got so huge
Source: newscientist
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sciencealert
It joins an exlusive club.
Source: sciencealert
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scitechdaily
New observations provide insights into whether the birth of the giant planets takes a similar course to that of stars. The birth of stars is...
Source: scitechdaily
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phys.org
Astronomers have identified the most massive stellar black hole yet discovered in the Milky Way galaxy. This black hole was spotted in data from the European Space Agency's Gaia mission because it imposes an odd 'wobbling' motion on the companion star orbiting it. Data from the European Southern Observatory's Very Large Telescope (ESO's VLT) and other ground-based observatories were used to verify the mass of the black hole, putting it at an impressive 33 times that of the sun.
Source: phys.org
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sciencealert
Step two is far more fun.
Source: sciencealert
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scitechdaily
New technology could lead to batteries that store energy and capture CO2, offering a significant advancement in environmental technology. Efficient and cheap batteries that can...
Source: scitechdaily
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scitechdaily
New research suggests that magnetite, a particle present in air pollution, can induce signs and symptoms of Alzheimer’s disease. Alzheimer’s disease, a type of dementia,...
Source: scitechdaily
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universetoday
It’s been just over a week since millions of people flocked to places across North America for a glimpse of moonshadow. The total solar eclipse of April 8th, 2024 was a spectacular sight for many on the ground. From space, however, it was even more impressive as Earth-observing satellites such as GOES-16 captured the sight …
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sciencealert
It's accidentally beautiful!
Source: sciencealert
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sciencealert
A 'cognitive vaccine'.
Source: sciencealert
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scitechdaily
The Large High Altitude Air Shower Observatory (LHAASO) has discovered a giant ultra-high-energy gamma-ray bubble structure in the Cygnus star-forming region, which is the first...
Source: scitechdaily
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scitechdaily
Research emphasizes establishing safety guidelines for “forever” chemicals in seafood A study led by Dartmouth indicates that regular consumption of seafood may increase the risk...
Source: scitechdaily
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universetoday
I’m really not sure what to call it but a ‘dusty sneeze’ is probably as good as anything. We have known for some years that stars surround themselves with a disk of gas and dust known as the protostellar disk. The star interacts with it, occasionally discharging gas and dust regularly. Studying the magnetic fields …
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scitechdaily
A new window coating reduces indoor temperatures and energy costs by selectively blocking heat-producing light, effective at any sunlight angle. Windows welcome light into interior...
Source: scitechdaily
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universetoday
The most recognizable feature on Pluto is its “heart,” a relatively bright valentine-shaped area known as Tombaugh Regio. How that heart got started is one of the dwarf planet’s deepest mysteries — but now researchers say they’ve come up with the most likely scenario, involving a primordial collision with a planetary body that was a …
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universetoday
Look through the names and origins of the constellations and you will soon realise that many cultures had a hand in their conceptualisation. Among them are the Egyptians who were fantastic astronomers. The movement of the sky played a vital role in ancient Egypt including the development of the 365 day year and the 24 …
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phys.org
Intensive new nano-analysis of the Winchcombe meteorite has revealed how it was affected by water and repeatedly smashed apart and reassembled on the journey it took through space before landing in an English sheep field in 2021.
Source: phys.org
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spacenews
NASA will seek “out of the box” ideas in a bid to reduce the costs and shorten the schedule for returning samples from Mars.
Source: spacenews
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spacenews
Six-year-old European small satellite maker Aerospacelab has bought AMOS, a Belgian company that has provided optics for spacecraft and ground-based telescopes for more than four decades.
Source: spacenews
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phys.org
Glittering threads of stars around the Milky Way may hold answers to one of our biggest questions about the universe: what is dark matter? With images taken through six different color filters mounted to the largest camera ever built for astronomy and astrophysics, Vera C. Rubin Observatory's upcoming Legacy Survey of Space and Time will reveal never-before-seen stellar streams around the Milky Way—and the telltale effects of their interactions with dark matter.
Source: phys.org
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phys.org
Saturn's moon Mimas could have grown a huge underground ocean as its orbital eccentricity decreased to its present value and caused its icy shell to melt and thin.
Source: phys.org
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spacenews
NASA’s overall science budget in the FY25 request is nearly $1 billion less than what the agency expected last year it would have available. While MSR’s problems has attracted the most attention, the pain is being felt across the science mission directorate.
Source: spacenews
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skyandtelescope.org
NASA's Perseverance mission has been collecting samples for later retrieval and return to Earth. Now, it's unclear how we'll get those samples home.
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universetoday
In 2011, astronomers with the Wide Angle Search for Planets (WASP) consortium detected a gas giant orbiting very close to a Sun-like (G-type) star about 700 light-years away. This planet is known as WASP-39b (aka. “Bocaprins”), one of many “hot Jupiters” discovered in recent decades that orbits its star at a distance of less than …
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phys.org
After a journey lasting about two billion years, photons from an extremely energetic gamma-ray burst (GRB) struck the sensors on the Neil Gehrels Swift Observatory and the Fermi Gamma-Ray Space Telescope on October 9th, 2022. The GRB lasted seven minutes but was visible for much longer. Even amateur astronomers spotted the powerful burst in visible frequencies.
Source: phys.org
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phys.org
It's an exciting time for the fields of astronomy, astrophysics, and cosmology. Thanks to cutting-edge observatories, instruments, and new techniques, scientists are getting closer to experimentally verifying theories that remain largely untested. These theories address some of the most pressing questions scientists have about the universe and the physical laws governing it—like the nature of gravity, dark matter, and dark energy.
Source: phys.org
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phys.org
One of the big mysteries about dark matter particles is whether they interact with each other. We still don't know the exact nature of what dark matter is. Some models argue that dark matter only interacts gravitationally, but many more posit that dark matter particles can collide with each other, clump together, and even decay into particles we can see. If that's the case, then objects with particularly strong gravitational fields such as black holes, neutron stars, and white dwarfs might capture and concentrate dark matter. This could in turn affect how these objects appear.
Source: phys.org
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spacenews
Space Systems Command’s program executive officer Cordell DeLaPena says large, expensive satellites will be ‘disaggregated’
Source: spacenews
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phys.org
Although their primary purpose is to look for exoplanets, observatories like the Kepler Space Telescope and the Transiting Exoplanet Survey Satellite (TESS) have supplied a vast amount of data on stellar flares, detected with high-precision photometry by broadband filters in the visible light spectrum.
Source: phys.org
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newscientist
Mounting evidence suggests our galaxy sits at the centre of an expanse of nothingness 2 billion light years wide. If so, we may have to rethink our understanding of the universe
Source: newscientist
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phys.org
The mystery of how Pluto got a giant heart-shaped feature on its surface has finally been solved by an international team of astrophysicists led by the University of Bern and members of the National Center of Competence in Research (NCCR) PlanetS. The team is the first to successfully reproduce the unusual shape with numerical simulations, attributing it to a giant and slow oblique-angle impact.
Source: phys.org
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sciam
We need to do more to ensure older adults—including those living in long-term care facilities—are up to date on recommended vaccines
Source: sciam
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sciam
Family caregivers provide critical support and familiarity to patients, but can also experience burnout
Source: sciam
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spacenews
New safety regulations on the safe disposal of upper stages will help U.S. leadership in space, regardless of industry pushback.
Source: spacenews
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sciam
Repairing a broken parent-adult child relationship is possible if both sides approach it earnestly and honestly
Source: sciam
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phys.org
An international team of astronomers has performed radio observations of a massive galaxy cluster known as ACT-CL J0329.2-2330, which resulted in the detection of a new radio halo in this cluster. The finding was reported in a research paper published April 5 on the pre-print server arXiv.
Source: phys.org
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sci.news
Astronomers using the NASA/ESA Hubble Space Telescope have taken a picture of the bright barred spiral galaxy NGC 3783, which is found in the constellation of Centaurus.
Source: sci.news
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theconversation
Studying the human brain is difficult because of its vast and intricate network of neural connections. The fruit fly offers a simpler but similar model that researchers can more easily map.
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theconversation
Here’s a game: Tell a friend to give you any number and you’ll return one that’s bigger. Just add ‘1’ to whatever number they come up with and you’re sure to win.
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sciam
However much outdoor space you have, here’s how to use it for conservation
Source: sciam
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spacenews
China continued construction of a commercial constellation of remote sensing satellites early Monday with the launch of the SuperView-3 (01) satellite.
Source: spacenews
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sciam
Genomic research of
Source: sciam
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spacenews
The European Commission is delaying two key space initiatives, a space law and a contract for a satellite constellation, until at least this summer.
Source: spacenews
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sciam
At a recent workshop, researchers and journalists debated how to announce a potential discovery of extraterrestrial life
Source: sciam
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sciam
Small start-ups and big professional platforms are using AI to find and recruit new hires—but these tools can reinforce bias
Source: sciam
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spacenews
Q&A with Steve “Bucky” Butow, Defense Innovation Unit Space portfolio director.
Source: spacenews
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sciam
The search for a mysterious planetary body beyond Neptune has narrowed down its possible location—if it exists at all
Source: sciam
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spacenews
NASA documents show how the agency balanced cost, capabilities and experience in its selection of three companies to continue work on an Artemis lunar rover.
Source: spacenews
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sciam

Do Sperm Whales Have Culture?

2d ago (67h ago)
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As hard as it is to study these denizens of the deep, researchers have found some intriguing evidence to support the idea the "sperm whale culture" exists.
Source: sciam
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spacenews
Lt. Gen. Philip Garrant, head of Space Systems Command: “We have a lot of new work coming. I've got to be able to support all these new mission growth areas’
Source: spacenews
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skyandtelescope.org
A star in the constellation Norma appears to have been created when two stars merged.
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spacenews
The year is 2027, and NASA is finally ready to return humans to the surface of the moon. The Space Launch System and Orion have demonstrated their ability to send […]
Source: spacenews
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spacenews
AFRL said "this effort with Relativity Space is in response to a congressional demand signal."
Source: spacenews
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universetoday
An international research team led by the University of Vienna has made a major breakthrough. In a study recently published in Nature Astronomy, they describe how they conducted the first direct measurements of stellar wind in three Sun-like star systems. Using X-ray emission data obtained by the ESA’s X-ray Multi-Mirror-Newton (XMM-Newton) of these stars’ “astrospheres,” …
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universetoday
Astronomers have an intriguing idea for searching for dark matter, measuring the effect of particle self-annihilation inside various astronomical objects, from planets to stars and even white dwarfs. Now, astronomers are suggesting that dark matter annihilation should have a noticeable effect on the temperature of neutron stars. Dark matter could be collecting inside the intense gravity wells of neutron stars, annihilating and making them hotter than they should be.
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phys.org
Last September, the James Webb Space Telescope, or JWST, discovered JWST-ER1g, a massive ancient galaxy that formed when the universe was just a quarter of its current age. Surprisingly, an Einstein ring is associated with this galaxy. That's because JWST-ER1g acts as a lens and bends light from a distant source, which then appears as a ring—a phenomenon called strong gravitational lensing, predicted in Einstein's theory of general relativity.
Source: phys.org
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