Stars with less than half the mass of our sun are able to host giant Jupiter-style planets, in conflict with the most widely accepted theory of how such planets form, according to a new study led by UCL (University College ...
Astronomy
Mar 22, 2023
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58
Researchers from the Yunnan Observatories of the Chinese Academy of Sciences (CAS) have conducted a detailed asteroseismic analysis on an extremely low-mass white dwarf (WD) that exhibits suspected pressure mode (p-mode) ...
Astronomy
Feb 24, 2023
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182
Northwestern University and the University of California San Diego (UC San Diego) astrophysicists using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have discovered the tightest ultracool dwarf binary system ever observed.
Astronomy
Feb 23, 2023
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74
On June 20, 2022, the James Webb Space Telescope spent just over one hour staring at Messier 92 (M92), a globular cluster 27,000 light-years away in the Milky Way halo. The observation—among the very first science observations ...
Astronomy
Feb 22, 2023
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41
White dwarfs comprise a class of faint stars representing the endpoint of the evolution of intermediate- and low-mass stars. The mass of a white dwarf is the order of that of the sun, but a radius comparable to that of the ...
Astronomy
Feb 6, 2023
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41
In the vast and diverse universe, the initial mass distribution at the birth of a new population of stars determines the fate of galaxies. This relationship is described by the initial mass function (IMF). For more than half ...
Astronomy
Jan 18, 2023
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63
Northwestern University and the University of California San Diego (UC San Diego) astrophysicists have discovered the tightest ultracool dwarf binary system ever observed.
Astronomy
Jan 10, 2023
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277
Rapid changes in marine oxygen levels may have played a significant role in driving Earth's first mass extinction, according to a new study led by Florida State University researchers.
Earth Sciences
Nov 18, 2022
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181
Using the Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has detected three companions to aged stars—two low-mass stars and one brown dwarf. The newfound objects are the size of Jupiter ...
Red dwarfs are the most abundant stars in the Milky Way, making up 70% of all stars.
Plasma Physics
Sep 8, 2022
0
19
