How did the most massive stars form? Astronomers have debated their origins for decades. One of the biggest problems facing these theories is the lack of observations. Massive stars are relatively rare, and so it's hard to ...
Astronomy
Apr 13, 2023
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20
All stars are born from the collapse of clouds of dust and gas. But triggering star formation is a tricky process, because these gas clouds can just hang out doing nothing for billions of years. A pair of researchers have ...
Astronomy
Apr 11, 2023
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University of Arizona astronomers have joined an international effort to study the aftermath of the brightest flash of gamma rays ever observed. Observations involving various UArizona telescopes and instruments provide astronomers ...
Astronomy
Mar 29, 2023
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Astronomers from the Leibniz Institute for Astrophysics Potsdam (AIP), the European Southern Observatory (ESO), and the MIT Kavli Institute and Department of Physics have discovered that magnetic fields in multiple star systems ...
Astronomy
Mar 28, 2023
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256
Researchers led by Dr. Shi Xiangdong and Prof. Qian Shengbang from Yunnan Observatories of the Chinese Academy of Sciences (CAS) have detected a total of 155 massive pulsating stars or candidates based on TESS, LAMOST and ...
Astronomy
Mar 24, 2023
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A Wolf-Rayet star is a rare prelude to the famous final act of a massive star: the supernova. As one of its first observations in 2022, the NASA/ESA/CSA James Webb Space Telescope captured the Wolf-Rayet star WR 124 in unprecedented ...
Astronomy
Mar 14, 2023
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1817
The irregular spiral galaxy NGC 5486 hangs against a background of dim, distant galaxies in this image from the NASA/ESA Hubble Space Telescope. The tenuous disk of the galaxy is threaded through with pink wisps of star formation, ...
Astronomy
Mar 10, 2023
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71
Astronomers have discovered a supernova exhibiting unprecedented rebrightening at millimeter wavelengths, providing an intermediate case between two types of supernovae: those of solitary stars and those in close-binary systems.
Astronomy
Mar 2, 2023
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295
Using three ground-based telescopes in Chile, astronomers have conducted a search for variable stars in the open cluster NGC 6611. In result, they detected 95 variables and the majority of them are most likely cluster members. ...
Observations of supermassive black holes at the centers of galaxies point to a likely source of dark energy—the 'missing' 70% of the universe.
Astronomy
Feb 15, 2023
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