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How the James Webb Space Telescope is helping size up tiny dwarf planetsA new model that incorporates data gathered by the JWST could help scientists understand the composition and mass of objects ...
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Earth-size planet discovered around cool red dwarf star shares its name with a biscuitAstronomers have discovered an Earth-size planet orbiting an ultracool red dwarf star similar in size to Jupiter. The red dwarf, located some 55 light-years away, is 100 times less bright than the ...
Why was Pluto reclassified as a dwarf planet? One might think that it’s purely a matter of size. Mercury, the smallest of the ...
A decades-old cosmic mystery may finally be solved. Scientists now suspect that the strange X-ray glow from a distant white ...
A dwarf planet is defined as a world massive enough to be round but still in a part of space where other objects of similar size can cross its orbit, according to NASA. "Major" planets ...
A surprising chemical difference between Pluto and Sedna, another dwarf planet in the distant Kuiper ... "Since Gonggong is similar in size to Sedna, we believe methane must have escaped from ...
Why was Pluto reclassified as a dwarf planet? One might think that it’s purely a matter of size. Mercury, the smallest of the ...
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