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Astronomy news
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
19 hours ago
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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
19 hours ago
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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
19 hours ago
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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 ...
Astronomers' simulations support dark matter theory
Computer simulations by astronomers support the idea that dark matter—matter that no one has yet directly detected but which many physicists think must be there to explain several aspects of the observable universe—exists, ...
Astronomy
Apr 30, 2024
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Q&A: How to catch a glimpse of a new star about to appear in the night sky
If you peer up at the constellation Corona Borealis—the Northern Crown—over the next several months, you may catch a glimpse: Astronomers predict that sometime this year, a new star will appear in the night sky, growing ...
Astronomy
Apr 29, 2024
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Neutron stars could be capturing primordial black holes
The Milky Way has a missing pulsar problem in its core. Astronomers have tried to explain this for years. One of the more interesting ideas comes from a team of astronomers in Europe and invokes dark matter, neutron stars, ...
Astronomy
Apr 29, 2024
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Hubble spots magnificent barred galaxy NGC 2217
The magnificent central bar of NGC 2217 (also known as AM 0619-271) shines bright in the constellation of Canis Major (The Greater Dog), in this image taken by the NASA/ESA Hubble Space Telescope. Roughly 65 million light-years ...
Astronomy
Apr 29, 2024
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NASA's Hubble pauses science due to gyro issue
NASA is working to resume science operations of the agency's Hubble Space Telescope after it entered safe mode April 23 due to an ongoing gyroscope (gyro) issue. Hubble's instruments are stable, and the telescope is in good ...
Astronomy
Apr 29, 2024
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Einstein probe opens its wide eyes to the X-ray sky
The first images captured by the innovative mission were presented at the 7th workshop of the Einstein Probe consortium in Beijing. They illustrate the satellite's full potential and show that its novel optics, which mimic ...
Astronomy
Apr 29, 2024
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America's 'big glass' dominance hangs on the fate of two powerful new telescopes
More than 100 years ago, astronomer George Ellery Hale brought two Pasadena institutions together to build what was then the largest optical telescope in the world. The Mount Wilson Observatory changed the conception of humankind's ...
Astronomy
Apr 29, 2024
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Revealing the origin of unexpected differences in giant binary stars
Using the Gemini South telescope a team of astronomers have confirmed for the first time that differences in binary stars' composition can originate from chemical variations in the cloud of stellar material from which they ...
Astronomy
Apr 29, 2024
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Webb captures iconic Horsehead Nebula in unprecedented detail
The NASA/ESA/CSA James Webb Space Telescope has captured the sharpest infrared images to date of one of the most distinctive objects in our skies, the Horsehead Nebula. These observations show a part of the iconic nebula ...
Astronomy
Apr 29, 2024
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Orion's erupting star system reveals its secrets
An unusual group of stars in the Orion constellation have revealed their secrets. FU Orionis, a double star system, first caught astronomers' attention in 1936 when the central star suddenly became 1,000 times brighter than ...
Astronomy
Apr 29, 2024
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Tidal disruption event ASASSN-19bt experiences unusual radio evolution, observations show
An international team of astronomers has conducted detailed radio and X-ray observations of a tidal disruption event (TDE) designated ASASSN-19bt. Results of the observational campaign, presented April 18 on the pre-print ...