Physics, 24.03.2020 17:55, Kira4585

Suppose an astronaut travels very fast from the Earth to the nearest star system, Alpha Centauri, located 4.30 light years (ly) away as measured by an Earth-bound observer. (a) How long does it take the astronaut to travel 4.30 ly at 0.99850 c (as measured by the Earth-bound observer)

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Suppose an astronaut travels very fast from the Earth to the nearest star system, Alpha Centauri, lo...