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Estimate the Speed of a Galaxy Away from Us If

Question 51

Multiple Choice

Estimate the speed of a galaxy away from us if it is 10 billion light-years from us and if the Hubble constant is 22 km/s per million light-years.(c = 3.00 × 108 m/s, Estimate the speed of a galaxy away from us if it is 10 billion light-years from us and if the Hubble constant is 22 km/s per million light-years.(c = 3.00 × 10<sup>8</sup> m/s, , 1 y = 3.156 × 10<sup>7</sup> s) A) 0.1c B) 0.3c C) 0.5c D) 0.7c E) 0.9c , 1 y = 3.156 × 107 s)


A) 0.1c
B) 0.3c
C) 0.5c
D) 0.7c
E) 0.9c

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