(via minutephysics) We think of the moon as orbiting the earth, following a spiraling trajectory as the earth itself orbits the sun. But this is wrong. Not only is the moon's orbit NOT a spiral ...
Astronomers have discovered a small asteroid that has been quietly accompanying Earth on its journey around the sun for the past 60 years, according to research published in September. The celestial ...
Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in Research Notes of the AAS, a non-peer reviewed publication from the American ...
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