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Are spiral galaxies expanding?
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Is our Universe expanding because another Universe is leaking in?
Started by chrisharringtonBoard Physics, Astronomy & Cosmology |
Replies: 3 Views: 3985 |
26/03/2016 16:18:31 by Bill S |
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How do we "know" that the universe is expanding?
Started by PmbPhyBoard Physics, Astronomy & Cosmology |
Replies: 12 Views: 11127 |
10/01/2019 10:20:39 by Bored chemist |
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Prove that space itself is expanding, not just objects diverging within space?
Started by Lamprey5Board Physics, Astronomy & Cosmology |
Replies: 13 Views: 11207 |
03/02/2011 20:41:10 by yor_on |
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Does an expanding spherical wave continue to expand outward from its source?
Started by edorBoard General Science |
Replies: 0 Views: 3793 |
23/06/2010 16:30:03 by edor |
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Why did Einstein's theory of general relativity predict that the universe should be expanding?
Started by thedocBoard Physics, Astronomy & Cosmology |
Replies: 5 Views: 5613 |
09/08/2016 18:44:16 by Scott Mayers |