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If a Galaxy Is Moving Away from Us at 1

Question 1

Multiple Choice

If a galaxy is moving away from us at 1.0% of the speed of light,use Hubble's law to estimate how far away it is from us if the Hubble constant is 22 km/s per million light-years. If a galaxy is moving away from us at 1.0% of the speed of light,use Hubble's law to estimate how far away it is from us if the Hubble constant is 22 km/s per million light-years. ,1 ly = 9.461 × 10<sup>15</sup> m,1 y = 3.156 × 10<sup>7</sup> s) A) 14 ly B) 140 ly C) 140 thousand ly D) 140 million ly E) 140 billion ly ,1 ly = 9.461 × 1015 m,1 y = 3.156 × 107 s)


A) 14 ly
B) 140 ly
C) 140 thousand ly
D) 140 million ly
E) 140 billion ly

Correct Answer:

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