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Astronomy news
'What is that?' Scientists explain white patch that appears near northern lights
A whitish, gray patch that sometimes appears in the night sky alongside the northern lights has been explained for the first time by researchers at the University of Calgary.
Astronomy
12 hours ago
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Prime focus spectrograph on the Subaru Telescope to begin science operations in February
Researchers have finished equipping the Subaru Telescope with a new special "compound eye," culminating several years of effort. This new eye is an instrument featuring approximately 2,400 prisms scattered across the extremely ...
Astronomy
13 hours ago
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Hubble rings in the new year with image of constellation Hydra
This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies depicted here span a mind-bending range of distances. The objects in this image that are nearest to ...
Astronomy
13 hours ago
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World's darkest and clearest skies at risk from industrial megaproject
On December 24th, AES Andes, a subsidiary of the US power company AES Corporation, submitted a project for a massive industrial complex for environmental impact assessment. This complex threatens the pristine skies above ...
Astronomy
14 hours ago
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Astronomers discovered 44 ancient stars using gravitational lensing—an astrophysicist explains how they did it
A group of astronomers have made history by capturing an image of a record number of stars from a time when the universe was half its age.
Astronomy
Jan 9, 2025
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Discovery poised to help detect dark matter and pave way to unravel the universe's secrets
Researchers led by Nanyang Technological University, Singapore (NTU Singapore) have developed a breakthrough technique that could lay the foundations for detecting the universe's "dark matter" and bring scientists closer ...
Astronomy
Jan 9, 2025
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High-resolution simulations explore the physics of star formation
Stars are born in clouds of gas and dust, making it difficult to observe their early development. But researchers at Chalmers have now succeeded in simulating how a star with the mass of the sun absorbs material from the ...
Astronomy
Jan 9, 2025
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Astronaut set to patch NASA's X-ray telescope aboard space station
NASA astronaut Nick Hague will install patches to the agency's NICER (Neutron star Interior Composition Explorer) X-ray telescope on the International Space Station as part of a spacewalk scheduled for Jan. 16. Hague, along ...
Astronomy
Jan 8, 2025
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NASA joins telescope, instruments to Roman spacecraft
Technicians have successfully integrated NASA's Nancy Grace Roman Space Telescope's payload—the telescope, instrument carrier, and two instruments—to the spacecraft that will deliver the observatory to its place in space ...
Astronomy
Jan 8, 2025
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Huge if true—dark energy doesn't exist, claims new study on supernovas
By looking at light from distant exploding stars called supernovas, in 1998 astronomers discovered the universe isn't just expanding—its expansion is speeding up. But what's behind this acceleration?
Astronomy
Jan 8, 2025
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Scientists propose new method to detect alien civilizations via black holes
Of all the unanswered questions in modern science, perhaps the most talked about is whether we are alone in the universe. A new paper looks at another way we might be able to detect advanced civilizations, and at its center ...
Astronomy
Jan 8, 2025
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Helical magnetic fields: A universal mechanism for jet collimation?
New observations from the National Science Foundation National Radio Astronomy Observatory's (NSF NRAO) Karl G. Jansky Very Large Array (NSF VLA) provide compelling evidence supporting a universal mechanism for the collimation ...
Astronomy
Jan 8, 2025
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Gamma-ray outburst detected from the radio source 3C 216
Using NASA's Fermi space telescope, Italian astronomers have observed a radio source known as 3C 216. As a result, they detected increased gamma-ray activity from this source, including a strong outburst. The finding is reported ...
The LZ experiment's first science run sets new constraints on dark matter interactions
The LUX ZEPLIN (LZ) Dark Matter experiment is a large research effort involving over 200 scientists and engineers at 40 institutions worldwide. Its key objective is to search for weakly interacting massive particles (WIMPs) ...
A CubeSat mission will detect X-rays from GRBs and black-hole mergers
The long-awaited detection of gravitational waves has opened up a whole new world of astronomy. One of the key efforts is now to tie signals across multiple domains—for example, a gravitational wave and the associated electromagnetic ...
Astronomy
Jan 8, 2025
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Will Comet G3 ATLAS perform at perihelion?
What "may" be the best anticipated comet of 2025 is coming right up. Right now, there's only one comet with real potential to reach naked eye visibility in 2025: Comet C/2024 G3 ATLAS. This comet reaches perihelion at 0.094 ...
Astronomy
Jan 7, 2025
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Origins of black holes are revealed in their spin, gravitational wave data analysis finds
The size and spin of black holes can reveal important information about how and where they formed, according to new research.
Astronomy
Jan 7, 2025
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Field-level inference: Unlocking the full potential of galaxy maps to explore new physics
Galaxies are not islands in the cosmos. While globally the universe expands—driven by the mysterious "dark energy"—locally, galaxies cluster through gravitational interactions, forming the cosmic web held together by ...
Astronomy
Jan 7, 2025
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Researchers introduce new 'filament channel' function to predict solar eruptions triggered by emerging flux
A study published in The Astrophysical Journal Letters, introduces a newly defined "filament channel" function. This new function provides a novel theoretical foundation for predicting solar eruptions by determining whether ...
Astronomy
Jan 7, 2025
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Astronomers find massive supernova remnant closer than previously thought
An international team of astronomers have investigated a large Galactic supernova remnant designated G278.94+1.35. Results of the study, published Dec. 30 on the pre-print server arXiv, shed more light on the properties of ...
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Gene discovery reveals unique sex determination in killifish
Ocean temperatures hit record highs in 2024, study finds
