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Astronomy news
A sharper view of the Milky Way with Gaia and machine learning
A group of scientists led by the Leibniz Institute for Astrophysics Potsdam (AIP) and the Institute of Cosmos Sciences at the University of Barcelona (ICCUB) have used a novel machine learning model to process data for 217 ...
Astronomy
1 hour ago
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Astronomers race to capture image of exoplanet near star
Planet AF Lep b is a world of firsts. In 2023, it was the lowest-mass planet outside our solar system to be directly observed and have its mass measured using astrometry. This is a technique that charts the subtle movements ...
Astronomy
17 hours ago
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Black hole destroys star, goes after another
A massive black hole has torn apart one star and is now using that stellar wreckage to pummel another star or smaller black hole that used to be in the clear.
Astronomy
20 hours ago
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Astronomers discover dozens of massive stars launched from young star cluster R136
Astronomers have used data from the European Gaia Space Telescope to discover 55 high-speed stars launched from the young star cluster R136 in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. This increases ...
Astronomy
21 hours ago
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Team discovers three new magnetic and helium-enriched hot subdwarf stars
An international team of astronomers reports the discovery of three new helium-enriched hot subdwarf stars with strong magnetic fields. The finding, made with the Southern African Large Telescope (SALT), is detailed in a ...
NASA's Roman space telescope's 'exoskeleton' whirls through major test
A major component of NASA's Nancy Grace Roman Space Telescope just took a spin on the centrifuge at NASA's Goddard Space Flight Center in Greenbelt, Maryland. Called the Outer Barrel Assembly, this piece of the observatory ...
Astronomy
Oct 8, 2024
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Anti-glitches detected in gamma-ray pulsar PSR J1522-5735
By analyzing the data from NASA's Fermi Gamma-ray Space Telescope, Russian astronomers have detected anti-glitches in a gamma-ray pulsar designated PSR J1522-5735. The discovery, published September 28 on the pre-print server ...
New study eases concerns over possible 'doomsday' asteroid swarm
Astronomers have good news about potentially hazardous asteroids lurking near our planet: There aren't as many as we thought.
Astronomy
Oct 7, 2024
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The GALAH fourth data release provides vital data on one million stars in the Milky Way
For the past 10 years, Australia's ARC Center of Excellence in All Sky Astrophysics in 3 Dimensions (ASTRO 3D) has been investigating star formation, chemical enrichment, migration, and mergers in the Milky Way with the Anglo-Australian ...
Astronomy
Oct 7, 2024
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The Milky Way might be part of an even larger structure than Laniakea
If you want to pinpoint your place in the universe, start with your cosmic address. You live on Earth->Solar System->Milky Way Galaxy->Local Cluster->Virgo Cluster->Virgo Supercluster->Laniakea. Thanks to new deep sky surveys, ...
Astronomy
Oct 7, 2024
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Primordial holes could be hiding in planets, asteroids and here on Earth
Small primordial black holes (PBHs) are one of the hot topics in astronomy and cosmology today. These hypothetical black holes are believed to have formed soon after the Big Bang, resulting from pockets of subatomic matter ...
Astronomy
Oct 7, 2024
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Discovery of most distant rotating disk galaxy challenges current formation theories
Researchers have discovered the most distant Milky-Way-like galaxy yet observed. Dubbed REBELS-25, this disk galaxy seems as orderly as present-day galaxies, but we see it as it was when the universe was only 700 million ...
Astronomy
Oct 7, 2024
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Astronomers investigate the nature of a fast-spinning intermediate polar
Using various X-ray space observatories, astronomers from Columbia University in New York and elsewhere have investigated CTCV J2056–3014—an intermediate polar containing one of the fastest-spinning white dwarfs. Results ...
Astronomers detect multiple extended tidal tails in an old globular cluster
By analyzing the data from various astronomical surveys, astronomers have investigated an old globular cluster known as NGC 288. As a result, they detected multiple extended tidal tails associated with this cluster. The finding ...
Large radio bubble detected in galaxy NGC 4217
An international team of astronomers has performed radio observations of a star-forming galaxy known as NGC 4217. The observational campaign detected a large radio bubble in the galaxy's halo. The finding was reported in ...
The sun unleashes its strongest flare this cycle
Yesterday the sun released a huge solar flare, and it's heading toward Earth. It's nothing to worry about since it's nowhere near as large as the Carrington Event of 1859, but it is large enough to give us some amazing aurora.
Astronomy
Oct 4, 2024
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Gravitational lens confirms the Hubble tension
We've known the universe is expanding for a long time. The first solid paper demonstrating cosmic expansion was published by Edwin Hubble in 1929, based on observations made by Vesto Slipher, Milton Humason, and Henrietta ...
Astronomy
Oct 4, 2024
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The earliest galaxies formed amazingly fast after the Big Bang. Do they break the universe or change its age?
The James Webb Space Telescope (JWST) is the largest and most powerful space telescope built to date. Since it was launched in December 2021 it has provided groundbreaking insights. These include discovering the earliest ...
Astronomy
Oct 4, 2024
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Hubble observes a peculiar galaxy shape
This NASA/ESA Hubble Space Telescope image reveals the galaxy, NGC 4694. Most galaxies fall into one of two basic types. Spiral galaxies are young and energetic, filled with the gas needed to form new stars and sporting spiral ...
Astronomy
Oct 4, 2024
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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
Oct 4, 2024
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