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Physics, 09.07.2019 00:00, formulabmath
If the distance from earth to alpha centauri is 4.34 light-years, then a) alpha centauri is the closest star to earth. b) we see alpha centauri as it was four years ago. c) the distance is equal to 4.34 astronomical units. d) alpha centauri is four times farther from earth than the sun.
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If the distance from earth to alpha centauri is 4.34 light-years, then a) alpha centauri is the clos...
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