Reference Terms
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Brown dwarf
Brown dwarfs were originally called black dwarfs, a classification for dark substellar objects floating freely in space which were too low in mass to sustain stable hydrogen fusion.
Note: The above text is excerpted from the Wikipedia article "Brown dwarf", which has been released under the GNU Free Documentation License.
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June 2, 2024
May 31, 2024 Mars has a distinct structure in its mantle and crust with discernible reservoirs, and this is known thanks to meteorites that scientists have analyzed. These results are important for understanding not only how Mars formed and evolved, but also for ...
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May 23, 2024 While thousands of planets have been discovered around other stars, relatively little is known about them. A NASA catalog featuring 126 exotic, newly discovered worlds includes detailed measurements that allow for comparisons with our own solar ...
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May 30, 2024 Combining a new imaging instrument with the powerful adaptive optics capabilities of the Large Binocular Telescope, astronomers have captured a ...
May 30, 2024 New research demonstrated a possible formation mechanism of intermediate-mass black holes in globular clusters, star clusters that could contain tens ...
May 30, 2024 Over the last two years, scientists have used NASA's James Webb Space Telescope to explore what astronomers refer to as Cosmic Dawn -- the period in the first few hundred million years after the big ...
May 29, 2024 Researchers have applied the well-understood and highly verified quantum field theory, usually applied to the study of the very small, to a new target, the early universe. Their exploration led to ...
May 29, 2024 The moon orbiting the asteroid Dinkinesh is actually two tiny moons stuck together. Collectively called 'Selam,' the two moonlets bring new insight into the complex processes behind planetary ...
May 29, 2024 A new study may help redefine how scientists map the surface of the Moon, making the process more streamlined and precise than ever ...
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May 23, 2024 Astronomers have discovered a planet between the sizes of Earth and Venus only 40 light-years ...
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