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Jul 23 at 5:50 vote accept Derek Seabrooke
Feb 7, 2021 at 9:03 history bounty ended CommunityBot
Jan 31, 2021 at 8:12 comment added Derek Seabrooke Are you sure about 4 and 5? I've been thinking about these very scenarios lately. It seems to me that the light could not interact until after they pass since gravity is also limited to light speed. It would seem that two anti-parallel photons would gravitationally redshift as they pass, which makes no sense, since where does the energy go?
Jan 31, 2021 at 4:48 history edited stuffu CC BY-SA 4.0
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Jan 31, 2021 at 4:39 history answered stuffu CC BY-SA 4.0