determine the velocity

Physics
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a distant galaxy is determined to be 150 million light years distant and moving away from us, using the hubble law determine its velocity

May 3rd, 2015

Hubble constant H0 = 67.8 (km/s)/Mpc 

1 Mpc = 3.262 million lys 

according Hubble's law 

V=H0D  = 67.8 km/s/Mpc *(150 /3.262) Mpc

=67.8 km/s * 45.98

=3118 km/s 

May 3rd, 2015

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May 3rd, 2015
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