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?

CapnAwesome Offline

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#37

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

August 17, 2017 at 5:59 pm

Short answer, because all the galaxies are moving away from us. If they were just moving about, some would be getting closer and some farther away. It really only makes sense with an expanding universe.

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Messages In This Thread

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 GUBU - 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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