When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The mass of Stein 2051 B, a white dwarf star located about 18 light-years from Earth, has been a ...
A new measurement of the mass of the Milky Way galaxy suggests that Earth's galactic home is a bit lighter than many previous estimates suggested, but the scientists behind the new work say it's the ...
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