Earth’s other moons

(PhysOrg.com) -- Earth usually has more than one moon, according to a team of astronomers from the University of Helsinki, the Paris Observatory and the University of Hawaii at Manoa.

dateApr 04, 2012 in Space Exploration
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Researcher shows that black holes do not exist

Black holes have long captured the public imagination and been the subject of popular culture, from Star Trek to Hollywood. They are the ultimate unknown – the blackest and most dense objects in the universe that do not ...

dateSep 24, 2014 in Astronomy
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