/u/Mack1993's posts in /r/askscience

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If you run around a track twice, the first time slowly, the second time much faster so that the average for the two laps is twice the speed of the first lap. People are getting infinite speed for the second lap. Why?

4090 upvotes

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If you shined a light, and space was moving the opposite direction at the speed of light, would the light be stationary?

1 upvotes

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How will they run a spectroscopy on Proxima b if it does not transit?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If you run around a track twice, the first time slowly, the second time much faster so that the average for the two laps is twice the speed of the first lap. People are getting infinite speed for the second lap. Why?	4090
If you shined a light, and space was moving the opposite direction at the speed of light, would the light be stationary?	1
How will they run a spectroscopy on Proxima b if it does not transit?	1