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Scientists spot a massive object quietly shadowing Earth’s orbit
Far from the bright glare of the Moon, a much smaller companion has been quietly keeping pace with Earth, looping around the ...
China’s Shijian-21 spacecraft, a satellite with the stated purpose of cleaning up space junk, has an orbital companion, but we’re not entirely sure what it is. The Shijian-21 satellite was launched to ...
Although mass is the most important property of stars, it has proved very hard to measure for the lowest mass objects in the universe. Thanks to a powerful new camera, a very rare, low-mass companion ...
Although mass is the most important property of stars, it has proved very hard to measure for the lowest mass objects in the universe. Thanks to a powerful new camera, a very rare, low-mass companion ...
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