Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...
Morning Overview on MSN
Record smashed: The fastest-spinning large asteroid ever seen
A newly spotted space rock has just shattered the speed record for large asteroids, spinning so quickly that by all ...
Astronomers using the U.S. National Science Foundation National Radio Astronomy Observatory (NSF NRAO) instruments, the U.S.
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