What is Hubble's Law?
Hubble's Law states that the speed at which a galaxy is moving away from us is directly proportional to its distance from us.
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What does Hubble's Law tell us about the universe?
Hubble's Law provides evidence that the universe is expanding.
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What is the Hubble constant?
The Hubble constant is 65 km s-1 Mpc-1
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What does the Hubble constant represent?
The Hubble constant represents the rate at which the universe is expanding.
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What is the link between the Hubble constant and the age of the universe?
The inverse of the Hubble constant gives an estimate for the age of the universe.
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What is the formula linking recessional velocity (v), Hubble's constant (H), and distance (d)?
v = recessional velocity (km s-1)
H = Hubble constant (km s-1 Mpc-1)
d = distance (Mpc)
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