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Could a planet be orbited by another planet instead of a moon?
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The Moon orbits Earth, the Earth the Sun, Sun the Milky way...The Universe?
Started by acecharlyBoard Physics, Astronomy & Cosmology |
Replies: 11 Views: 14820 |
08/04/2012 20:32:44 by Airthumbs |
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why does the moon perfectly block out the sun's "disc area" during eclipse?
Started by paddy73Board Physics, Astronomy & Cosmology |
Replies: 2 Views: 10890 |
14/03/2011 23:43:14 by Soul Surfer |
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QotW - 22.03.21 - Does relativity make rocks on the moon older than Earth rocks?
Started by Lewis ThomsonBoard Question of the Week |
Replies: 16 Views: 8024 |
27/03/2022 13:32:53 by Halc |
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How does NASA know that the Moon's South Pole-Aitken Basin is its oldest crater?
Started by Pseudoscience-is-malarkeyBoard Physics, Astronomy & Cosmology |
Replies: 4 Views: 9092 |
05/12/2017 20:01:08 by Zer0 |
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Is the barycenter of the Earth Moon system shifting as the Moons orbit increases
Started by mbaker335Board Physics, Astronomy & Cosmology |
Replies: 5 Views: 8824 |
19/09/2018 16:11:53 by Janus |