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30-04-2024
Physics

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2. According to Hubble's law, H0=70 Km/s/Mpc. What is the recessional speed of a galaxy at a distance of 210 Mpc? How far away is a galaxy whose recessional speed is 4,085 km/s? How would these answers change if a) H0=56 Km/s/Mpc, b) H0=84 Km/s/Mpc?

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