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If a Galaxy Is Receding from Us at 0

Question 30

Multiple Choice

If a galaxy is receding from us at 0.10c.Use Hubble's law to estimate the distance to this galaxy if the Hubble constant is 22 km/s per million light-years.(c = 3.00 × 108 m/s, If a galaxy is receding from us at 0.10c.Use Hubble's law to estimate the distance to this galaxy 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) 1.4 × 10<sup>9</sup> ly B) 6.6 × 10<sup>5</sup> ly C) 6.6 × 10<sup>5</sup> Mly D) 2.2 Mly E) 1.4 × 10<sup>7</sup> Mly ,1 y = 3.156 × 107 s)


A) 1.4 × 109 ly
B) 6.6 × 105 ly
C) 6.6 × 105 Mly
D) 2.2 Mly
E) 1.4 × 107 Mly

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