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Astronomy news
The universe could be filled with ultralight black holes that can't die
Primordial black holes are hypothetical objects formed during the earliest moments of the universe. According to the models, they formed from micro-fluctuations in matter density and spacetime to become sand grain-sized mountain-massed ...
Astronomy
1 hour ago
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Astronomers observe elusive stellar light surrounding ancient quasars
MIT astronomers have observed the elusive starlight surrounding some of the earliest quasars in the universe. The distant signals, which trace back more than 13 billion years to the universe's infancy, are revealing clues ...
Astronomy
2 hours ago
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Study investigates a nearby M-dwarf binary system
Using the Very Long Baseline Array (VLBA), astronomers have explored a nearby binary stellar system composed of two M dwarfs, known as LP 349−25AB. Results of the study, presented April 25 on the pre-print server arXiv, ...
Radio astronomers bypass disturbing Earth's atmosphere with new calibration technique
An international team of researchers led by astronomers from Leiden University (Netherlands) has produced the first sharp radio maps of the universe at low frequencies. Thanks to a new calibration technique, they bypassed ...
Astronomy
9 hours ago
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Hungry, hungry white dwarfs: Solving the puzzle of stellar metal pollution
Dead stars known as white dwarfs, have a mass like the sun while being similar in size to Earth. They are common in our galaxy, as 97% of stars will eventually become white dwarfs. As stars reach the end of their lives, their ...
Astronomy
May 3, 2024
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Solar orbiter takes a mind-boggling video of the sun
You've seen the sun, but you've never seen the sun like this. This single frame from a video captured by ESA's Solar Orbiter mission shows the sun looking very fluffy! You can see feathery, hair-like structures made of plasma ...
Astronomy
May 3, 2024
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What can AI learn about the universe?
Artificial intelligence and machine learning have become ubiquitous, with applications ranging from data analysis, cybersecurity, pharmaceutical development, music composition, and artistic renderings.
Astronomy
May 3, 2024
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Astronomers inspect population of young stellar objects in open cluster NGC 346
Using the James Webb Space Telescope (JWST), an international team of astronomers has explored young stellar objects (YSOs) in an open cluster known as NGC 346. The study, published April 24 on the preprint server arXiv, ...
The Great Observatory for Long Wavelengths (GO-LoW) proposal
Humankind has never before seen the low frequency radio sky. It is hidden from ground-based telescopes by the Earth's ionosphere and challenging to access from space with traditional missions because the long wavelengths ...
Astronomy
May 2, 2024
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Fluidic telescope (FLUTE): Enabling the next generation of large space observatories
The future of space-based UV/optical/IR astronomy requires ever larger telescopes. The highest priority astrophysics targets, including Earth-like exoplanets, first generation stars, and early galaxies, are all extremely ...
Astronomy
May 2, 2024
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X-ray satellite XMM-Newton sees 'space clover' in a new light
Astronomers have discovered enormous circular radio features of unknown origin around some galaxies. Now, new observations of one dubbed the Cloverleaf suggest it was created by clashing groups of galaxies.
Astronomy
May 2, 2024
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NASA/JAXA's XRISM mission captures unmatched data with just 36 pixels
At a time when phone cameras are capable of taking snapshots with millions of pixels, an instrument on the Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) satellite captures revolutionary science with just 36 of ...
Astronomy
May 1, 2024
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A 'cosmic glitch' in gravity: New model may explain strange behavior on a cosmic scale
A group of researchers at the University of Waterloo and the University of British Columbia have discovered a potential "cosmic glitch" in the universe's gravity, explaining its strange behavior on a cosmic scale.
Astronomy
May 1, 2024
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Euclid telescope: Scientist reports on his quest to understand the nature of dark matter and dark energy
On July 1, 2023, Euclid, a unique European space telescope was launched from Cape Canaveral. The launch was undoubtedly the highlight of my career as an astronomer, but witnessing the result of years of work being put on ...
Astronomy
May 1, 2024
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New observatory in Chile—the highest in the world—aims to reveal origins of planets, galaxies and more
How do planets form? How do galaxies evolve? And ultimately, how did the universe itself begin? A unique astronomical observatory that researchers hope will unravel some of the biggest mysteries out there marks its opening ...
Astronomy
Apr 30, 2024
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Astronomers significantly impact the climate by traveling to conferences, say researchers
In 2019, global travel to international academic conferences in the field of astronomy caused the equivalent of 42,500 tons of climate-damaging CO2 emissions. This equates to an average of one ton of CO2 per participant and ...
Astronomy
Apr 30, 2024
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Citizen scientists help discover record-breaking exoplanet in binary star system
A team of astronomers and citizen scientists has discovered a planet in the habitable zone of an unusual star system, including two stars and potentially another exoplanet.
Astronomy
Apr 30, 2024
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Novel calculations peg age of 'baby' asteroid
An asteroid dubbed "Lucy's baby" after a NASA spacecraft discovered it is orbiting another asteroid last November is,, in fact,, a solar system toddler—just 2–3 million years old, a Cornell-led research team estimates ...
Astronomy
Apr 30, 2024
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Clouds blanket the night side of the hot exoplanet WASP-43b
Using the James Webb Space Telescope (JWST), a team of astronomers, including scientists from MPIA, constructed a global temperature map of the hot, gas giant exoplanet WASP-43b. The nearby parent star perpetually illuminates ...
Astronomy
Apr 30, 2024
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Researchers explore an old galactic open cluster
Using data from ESA's Gaia satellite, astronomers from Turkey and India have investigated NGC 188—an old open cluster in the Milky Way. Results of the study, published April 19 on the pre-print server arXiv, deliver important ...