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Mar 16, 2022 at 14:47 vote accept Seibert Tregoning
Mar 15, 2022 at 22:03 answer added ProfRob timeline score: 0
Mar 15, 2022 at 15:27 comment added Triatticus Hyperphysics has a useful calculator for finding how fast you'd need to travel with respect to a source to see a shift in frequency/wavelength the user defines hyperphysics.phy-astr.gsu.edu/hbase/Relativ/reldop3.html
Mar 15, 2022 at 15:09 history edited Qmechanic
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S Mar 15, 2022 at 14:58 review First questions
Mar 15, 2022 at 16:25
S Mar 15, 2022 at 14:58 history asked Seibert Tregoning CC BY-SA 4.0