If a galaxy is 8.8 Mpc away from Earth and recedes at 498 km/s, what is H0 (in km/s/Mpc)? _______ km/s/Mpc What is the Hubble time (in yr)? _______ yr How would acceleration change your answer? A: If the expansion of the Universe has been accelerating, the Universe could be substantially younger than the value entered above. B: If the expansion of the Universe has been accelerating, the Universe could be substantially older than the value entered above.

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If a galaxy is 8.8 Mpc away from Earth and recedes at 498 km/s, what is H0 (in km/s/Mpc)?

_______ km/s/Mpc

What is the Hubble time (in yr)?

_______ yr

How would acceleration change your answer?

A: If the expansion of the Universe has been accelerating, the Universe could be substantially younger than the value entered above.

B: If the expansion of the Universe has been accelerating, the Universe could be substantially older than the value entered above.

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