The galaxy is 7200 km/s moving away from us.
A Hubble is a large telescope in space.
The question can be solved using the formula below
⇒ Formula
- v = Cd........................ Equation 1
⇒ Where:
- v = Speed of the galaxy
- C = Hubble constant
- d = Galaxy's distance
⇒ Given:
⇒ Substitute these values into equation 1
- v = 72(100)
- v = 7200 km/s.
Hence, the galaxy is 7200 km/s moving away from us.
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