Thursday, December 26, 2024 from Universe Today
Theoretically a neutron star could have less mass than a white dwarf. If these light neutron stars exist, we might detect them through the gravitational waves they emit during a cataclysmic merger with another star. The post Neutron...Wednesday, December 25, 2024 from Universe Today
The James Webb Space Telescope (JWST) was specifically intended to address some of the greatest unresolved questions in cosmology. These include all of the major questions scientists have been pondering since the Hubble Space Telescope...Tuesday, December 24, 2024 from Universe Today
The James Webb Space Telescope was designed and built to study the early universe, and hopefully revolutionary our understanding of cosmology. Two years after its launch, it’s doing just that. One of the first things that astronomers...Tuesday, December 24, 2024 from Universe Today
Titan is one of the solar system’s most fascinating worlds for several reasons. It has something akin to a hydrological cycle, though powered by methane. It is the solar system’s second-largest moonMooner our own. It is the...Tuesday, December 24, 2024 from Universe Today
Catching the best sky watching events for the coming year 2025. How about that eclipse in 2024? Certainly, the Great North American Eclipse of April 8th 2024 was one for the ages, instilling the eclipse-chasing bug in many a new...Monday, December 23, 2024 from Universe Today
For decades cosmologists have wondered if the large-scale structure of the universe is a fractal: if it looks the same no matter the scale. And the answer is: no, not really. But in some ways, yes. Look, it’s complicated. Our universe is...Monday, December 23, 2024 from Universe Today
A current mystery in astronomy is how supermassive black holes gained so much heft so early in the Universe. Black holes have been seen in the first billion years after the Big Bang with hundreds of millions of solar masses, defying...Monday, December 23, 2024 from Phys.org: Astronomy News
The black hole information paradox has puzzled physicists for decades. New research shows how quantum connections in spacetime itself may resolve the paradox, and in the process leave behind a subtle signature in gravitational waves.Monday, December 23, 2024 from Phys.org: Astronomy News
This NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 2566, which sits 76 million light-years away in the constellation Puppis. A prominent bar of stars stretches across the center of this galaxy, and spiral arms...Sunday, December 22, 2024 from Universe Today
The black hole information paradox has puzzled physicists for decades. New research shows how quantum connections in spacetime itself may resolve the paradox, and in the process leave behind a subtle signature in gravitational waves. For...Sunday, December 22, 2024 from Universe Today
In April 2019, the Event Horizon Telescope (EHT) collaboration made history when it released the first-ever image of a black hole. The image captured the glow of the accretion disk surrounding the supermassive black hole (SMBH) at the...Sunday, December 22, 2024 from Universe Today
Almost every large galaxy has a supermassive black hole churning away at its core. In most cases, these black holes spin in concert with their galaxy, like the central hub of a cosmic wagon wheel. But on December 18, 2024, NASA...Saturday, December 21, 2024 from Phys.org: Astronomy News
Scientists have spotted what appear to be two stars whipping around each other near the supermassive black hole at the center of our Milky Way galaxy.Friday, December 20, 2024 from ScienceDaily: Astronomy News
A study introduces a novel thermodynamic concept called the 'centotectic' and investigates the stability of liquids in extreme conditions -- critical information for determining the habitability of icy moons like Europa.Friday, December 20, 2024 from ScienceDaily: Astronomy News
One of the biggest mysteries in science -- dark energy -- doesn't actually exist, according to researchers looking to solve the riddle of how the Universe is expanding. For the past 100 years, physicists have generally assumed that the...Friday, December 20, 2024 from Phys.org: Astronomy News
One of the biggest mysteries in science—dark energy—doesn't actually exist, according to researchers looking to solve the riddle of how the universe is expanding.Friday, December 20, 2024 from Phys.org: Astronomy News
Almost 300 binary mergers have been detected so far, indicated by their passing gravitational waves. These measurements from the world's gravitational wave observatories put constraints on the masses and spins of the merging objects such...Thursday, December 19, 2024 from ScienceDaily: Astronomy News
Researchers have found evidence of magnetic fields associated with a disc of gas and dust a few hundred light-years across deep inside a system of two merging galaxies known as Arp220. They say these regions could be the key to making...Thursday, December 19, 2024 from Phys.org: Astronomy News
The missing ingredient for cooking up stars in the same way you might steam your Christmas pudding has been spotted for the first time by astronomers. Much like a pressure cooker has a weight on top of its lid to keep the pressure in and...Thursday, December 19, 2024 from ScienceDaily: Astronomy News
New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian objects (TNOs) and centaurs. The findings reveal the distribution of ices in the early solar system and how TNOs...Thursday, December 19, 2024 from ScienceDaily: Astronomy News
Scientists are changing our understanding of climate and weather on Mars and providing critical insights into Earth's atmospheric processes as well.Thursday, December 19, 2024 from Phys.org: Astronomy News
The star HD 65907 is not what it appears to be. It's a star that looks young, but on closer inspection, it is actually much, much older. What's going on? Research suggests that it is a resurrected star.Thursday, December 19, 2024 from Phys.org: Astronomy News
New studies led by researchers at the University of Central Florida offer for the first time a clearer picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian objects (TNOs) and centaurs.Thursday, December 19, 2024 from Phys.org: Astronomy News
Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST) in China, astronomers have discovered a new pulsar with a spin period of about two seconds. The newly detected pulsar, designated PSR J1922+37, was found in the...Thursday, December 19, 2024 from Phys.org: Astronomy News
By peering into the cosmic dance of stars, a team led by researchers from the Leibniz Institute for Astrophysics Potsdam (AIP) has unraveled the complex structure of our Milky Way galaxy. Assuming that each observed star represents a...Wednesday, December 18, 2024 from Phys.org: Astronomy News
Astronomers have discovered an important piece of the puzzle of how supermassive black holes were able to grow so quickly in the early universe: a special kind of active galactic nucleus so distant that its light has taken more than 12.9...Wednesday, December 18, 2024 from Phys.org: Astronomy News
NASA researchers have discovered a perplexing case of a black hole that appears to be "tipped over," rotating in an unexpected direction relative to the galaxy surrounding it. That galaxy, called NGC 5084, has been known for years, but...Wednesday, December 18, 2024 from Phys.org: Astronomy News
A new article published in Universe describes an approach that looks back from the deaths of stars to their births, allowing the so-called initial mass function (IMF), i.e. the way in which star masses are distributed after their...Wednesday, December 18, 2024 from Phys.org: Astronomy News
An international team of astronomers, led by researchers from the Astronomical Observatory of the University of Warsaw, have identified a new class of cosmic X-ray sources. The findings have been published in The Astrophysical Journal...Wednesday, December 18, 2024 from Phys.org: Astronomy News
Although our solar system is billions of years old, we've only recently become better acquainted with one of its more dynamic and captivating inhabitants known as (2060) Chiron.Wednesday, December 18, 2024 from ScienceDaily: Astronomy News
Conventional wisdom assumes the ratio of gases in a planet's atmosphere should match the ratio of gases in the natal disk that birthed it. For the first time, researchers compared gases in a still-forming planet's atmosphere to its natal...Wednesday, December 18, 2024 from ScienceDaily: Astronomy News
Galaxy clusters -- the big cities of the universe -- are home to many giant elliptical galaxies that have completed their growth and are not forming stars. However, it is still unclear what has shut down star formation. In a new study,...Wednesday, December 18, 2024 from ScienceDaily: Astronomy News
Scientists recently led a team that found, for the first time, that Chiron has surface chemistry unlike other centaurs. Its surface it has both carbon dioxide and carbon monoxide ice along with carbon dioxide and methane gases in its...Wednesday, December 18, 2024 from ScienceDaily: Astronomy News
A study of more than 26,000 white dwarf stars has confirmed a long-predicted but elusive effect in these ultra-dense, dying stars: Hotter white dwarfs are slightly puffier than cooler ones, even when they have the same mass.Wednesday, December 18, 2024 from ScienceDaily: Astronomy News
Scientists have spotted a massive black hole in the early universe that is 'napping' after stuffing itself with too much food. Like a bear gorging itself on salmon before hibernating for the winter, or a much-needed nap after Christmas...Wednesday, December 18, 2024 from Phys.org: Astronomy News
Scientists have spotted a massive black hole in the early universe that is "napping" after stuffing itself with too much food. Like a bear gorging itself on salmon before hibernating for the winter, or a much-needed nap after Christmas...Wednesday, December 18, 2024 from Phys.org: Astronomy News
A study of more than 26,000 white dwarf stars has confirmed a long-predicted but elusive effect in these ultra-dense, dying stars: Hotter white dwarfs are slightly puffier than cooler ones, even when they have the same mass.Wednesday, December 18, 2024 from Phys.org: Astronomy News
An international research team has used the James Webb Space Telescope (JWST) to observe massive galaxies discovered by the Subaru Telescope in a corner of the early universe known as the Spiderweb protocluster. The JWST results confirm...Wednesday, December 18, 2024 from Phys.org: Astronomy News
An international team of astronomers has analyzed multi-color photometric and spectroscopic observations of the star Gaia20bdk. As a result, they found that Gaia20bdk is a FUor-type young stellar object. The finding is presented in a...Tuesday, December 17, 2024 from Phys.org: Astronomy News
Since antiquity, wreaths have symbolized the cycle of life, death, and rebirth. It is fitting then that one of the best places for astronomers to learn more about the stellar lifecycle resembles a giant holiday wreath itself.Tuesday, December 17, 2024 from Phys.org: Astronomy News
A research team has proposed a new method to reconstruct the "family tree" of black holes. Published in The Astrophysical Journal, this research offers a way to infer the properties of the black hole progenitors of these mergers, one of...Tuesday, December 17, 2024 from ScienceDaily: Astronomy News
After taking the first images of black holes, the groundbreaking Event Horizon Telescope (EHT) is poised to reveal how black holes launch powerful jets into space. Now, a research team has shown that the EHT will be able to make exciting...Tuesday, December 17, 2024 from ScienceDaily: Astronomy News
An international team of researchers has detected a binary star orbiting close to Sagittarius A*, the supermassive black hole at the centre of our galaxy. It is the first time a stellar pair has been found in the vicinity of a...Tuesday, December 17, 2024 from Phys.org: Astronomy News
When you wish upon a star, Jiminy Cricket told us, your dreams come true. But according to an idea doing the rounds on social media, that may not be the case:Tuesday, December 17, 2024 from Phys.org: Astronomy News
After taking the first images of black holes, the Event Horizon Telescope (EHT) is poised to reveal how black holes launch powerful jets into space.Tuesday, December 17, 2024 from Phys.org: Astronomy News
An international team of researchers has detected a binary star orbiting close to Sagittarius A*, the supermassive black hole at the center of our galaxy. It is the first time a stellar pair has been found in the vicinity of a...Tuesday, December 17, 2024 from Phys.org: Astronomy News
Astronomers from Italy and Spain have used the Atacama Large Millimeter/submillimeter Array (ALMA) to observe a massive protostar designated IRAS 20126+4104. The observational campaign, detailed in a paper published Dec. 9 on the arXiv...Tuesday, December 17, 2024 from Phys.org: Astronomy News
Einstein's theory of gravity, general relativity, has passed all tests with predictions that are spot-on. One prediction that remains is "gravitational wave memory"—the prediction that a passing gravitational wave will permanently change...Monday, December 16, 2024 from ScienceDaily: Astronomy News
Recent measurements with the James Webb Space Telescope (JWST) cast doubt on the current understanding of the exoplanet Trappist-1 b's nature. Until now, it was assumed to be a dark rocky planet without an atmosphere, shaped by a...Monday, December 16, 2024 from ScienceDaily: Astronomy News
Anthropologists argue physical artifacts of human exploration on Mars deserve cataloging, preservation and care in order to chronicle humanity's first attempts at interplanetary exploration.