How Do Scientists Know It's Space Expanding Not Galaxies Moving?

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How Do Scientists Know It's Space Expanding Not Galaxies Moving?

bennyboy Offline

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#28

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving?

August 14, 2017 at 12:22 am

How do we know that rather than space expanding, matter isn't contracting, the idea being that light is exempt from shrinkage? What, for example, if one of the fundamental four forces is actually in flux?

This would also lead to a red shift, no?

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How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Rhondazvous - August 10, 2017 at 6:37 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Gawdzilla Sama - August 10, 2017 at 6:40 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by chimp3 - August 10, 2017 at 6:45 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Gawdzilla Sama - August 10, 2017 at 8:02 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Brian37 - August 10, 2017 at 8:14 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Edwardo Piet - August 10, 2017 at 8:31 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Alex K - August 10, 2017 at 9:14 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Anomalocaris - August 10, 2017 at 9:30 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Rhondazvous - August 10, 2017 at 4:16 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Brian37 - August 10, 2017 at 8:12 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by AFTT47 - August 13, 2017 at 1:32 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Succubus - August 13, 2017 at 10:56 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Brian37 - August 13, 2017 at 7:35 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Rhondazvous - August 12, 2017 at 8:34 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Alex K - August 13, 2017 at 1:37 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Gawdzilla Sama - August 10, 2017 at 7:53 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Alex K - August 10, 2017 at 9:52 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Edwardo Piet - August 10, 2017 at 11:21 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Alex K - August 10, 2017 at 11:58 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by vorlon13 - August 10, 2017 at 11:25 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Anomalocaris - August 10, 2017 at 11:33 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by vorlon13 - August 10, 2017 at 11:38 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Anomalocaris - August 10, 2017 at 11:43 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Jackalope - August 15, 2017 at 1:40 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by vorlon13 - August 10, 2017 at 11:52 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Gawdzilla Sama - August 13, 2017 at 12:53 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Pat Mustard - August 13, 2017 at 6:00 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by brewer - August 13, 2017 at 7:49 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by bennyboy - August 14, 2017 at 12:22 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Alex K - August 14, 2017 at 2:55 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Jehanne - August 15, 2017 at 7:47 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Rhondazvous - August 17, 2017 at 5:19 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Alex K - August 17, 2017 at 5:28 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Rhondazvous - August 17, 2017 at 6:19 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Alex K - August 17, 2017 at 6:28 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Rhondazvous - August 17, 2017 at 7:11 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Alex K - August 18, 2017 at 10:53 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Alex K - August 15, 2017 at 8:28 am

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Jehanne - August 15, 2017 at 12:43 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Alex K - August 15, 2017 at 4:24 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by CapnAwesome - August 17, 2017 at 5:59 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by LadyForCamus - August 17, 2017 at 8:26 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Jehanne - August 17, 2017 at 9:06 pm

RE: How Do Scientists Know It's Space Expanding Not Galaxies Moving? - by Rhondazvous - August 18, 2017 at 10:44 am

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