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Astronomy news
Traces of antimatter in cosmic rays reopen the search for 'WIMPs' as dark matter
One of the great challenges of modern cosmology is to reveal the nature of dark matter. We know it exists (it constitutes more than 85% of the matter in the universe), but we have never seen it directly and still do not know ...
Astronomy
10 hours ago
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There were more black holes in the early universe than we thought, research finds
Supermassive black holes are some of the most impressive (and scary) objects in the universe—with masses around 1 billion times more than that of the sun. And we know they've been around for a long time.
Astronomy
22 hours ago
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Webb telescope detects unusual gas jets from Centaur 29P
Inspired by the half-human, half-horse creatures that are part of Ancient Greek mythology, the field of astronomy has its own kind of centaurs: distant objects orbiting the sun between Jupiter and Neptune. NASA's James Webb ...
Astronomy
Oct 2, 2024
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Q&A: Researchers examine link between light pollution and interest in astronomy
Picture walking outside on a dark, cloudless evening. You look up to admire the stars—maybe even a planet, if you're lucky—and a sense of wonder washes over you. New research from the University of Washington shows this ...
Astronomy
Oct 2, 2024
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Influence of a black hole's spin: First evidence of precession in ultraluminous accretion disks
Gas swirls around a black hole due to its intense gravity, forming an accretion disk. These accretion disks, being among the most efficient energy conversion mechanisms in the universe, emit light and plasma jets. When a ...
Astronomy
Oct 2, 2024
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Webb researchers discover lensed supernova, confirm Hubble tension
Measuring the Hubble constant, the rate at which the universe is expanding, is an active area of research among astronomers around the world who analyze data from both ground- and space- based observatories. NASA's James ...
Astronomy
Oct 1, 2024
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Hubble captures stellar nurseries in majestic spiral galaxy IC 1954
This image from the NASA/ESA Hubble Space Telescope features the spiral galaxy IC 1954, located 45 million light-years from Earth in the constellation Horologium. It sports a glowing bar in its core, majestically winding ...
Astronomy
Sep 30, 2024
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New mission to create total solar eclipses in space
A UK team of researchers including UCL's Professor Lucie Green are working on the launch of a spacecraft mission that will allow us to view the sun's atmosphere in more detail than ever before.
Astronomy
Sep 30, 2024
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Comet A3: How and when to see Tsuchinshan-ATLAS
Stargazers will have the chance to spot what could be the most impressive comet of the year over the coming weeks.
Astronomy
Sep 30, 2024
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Webb detects fast outflow in the host galaxy of a luminous quasar
An international team of astronomers has employed the James Webb Space Telescope (JWST) to perform spectroscopic observations of a luminous quasar known as J1007+2115. They detected a fast outflow originating from the quasar's ...
Observations explore the nature of transitional millisecond pulsar PSR J1023+0038
Using the Gran Telescopio Canarias (GTC), astronomers from Italy and Spain have carried out high-temporal-resolution optical spectroscopic observations of a transitional millisecond pulsar designated PSR J1023+0038. Results ...
Precise locations of more than 1 million galaxies revealed
The Physics of the Accelerating Universe Survey (PAUS), an international collaboration across 14 institutions, has covered a sky area of 50 square degrees, similar to approximately 250 full moons.
Astronomy
Sep 28, 2024
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Advanced data shed light on gravitational basins of attraction that shape the movement of galaxies
A new study has mapped out the gravitational basins of attraction in the local universe, offering fresh insights into the large-scale cosmic structures that shape the movement of galaxies. The study has been published in ...
Astronomy
Sep 27, 2024
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Turbulent solar wind originates in the sun's corona, study shows
Solar wind is a never-ending stream of charged particles coming from the sun. Rather than a constant breeze, this wind is rather gusty. As solar wind particles travel through space, they interact with the sun's variable magnetic ...
Astronomy
Sep 26, 2024
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Dark matter could have slight interaction with regular matter, study suggests
The reason we call dark matter dark isn't that it's some shadowy material. It's because dark matter doesn't interact with light. The difference is subtle, but important. Regular matter can be dark because it absorbs light. ...
Astronomy
Sep 26, 2024
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Hubble finds that a black hole beam promotes stellar eruptions
In a surprise finding, astronomers using the NASA/ESA Hubble Space Telescope have discovered that the blowtorch-like jet from a supermassive black hole at the core of a huge galaxy seems to cause stars to erupt along its ...
Astronomy
Sep 26, 2024
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The universe is smoother than the standard model of cosmology suggests. So is the theory broken?
Given how unfathomably large the universe is, it is perhaps understandable that we haven't yet cracked all its secrets. But there are actually some pretty basic features, ones we used to think we could explain, that cosmologists ...
Astronomy
Sep 26, 2024
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Scientists create model of holographic dark energy that is no longer unstable
In 1998, scientists discovered that our universe expands with acceleration, and in order to explain this effect, the concept of dark matter was introduced. This is a special type of energy that fills up all of existing space-time ...
Astronomy
Sep 26, 2024
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Telescope captures the most detailed infrared map ever of our Milky Way
Astronomers have published a gigantic infrared map of the Milky Way containing more than 1.5 billion objects―the most detailed one ever made. Using the European Southern Observatory's VISTA telescope, the team monitored ...
Astronomy
Sep 26, 2024
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How special is the Milky Way galaxy? Survey team releases new findings
Is our home galaxy, the Milky Way galaxy, a special place? A team of scientists started a journey to answer this question more than a decade ago. Commenced in 2013, the Satellites Around Galactic Analogs (SAGA) Survey studies ...
Astronomy
Sep 25, 2024
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Mercury's magnetic landscape mapped in 30 minutes
People infer the past better than the future, study finds
NASA's laser comms demo makes deep space record, completes first phase
