What phenomenon describes the expansion of the universe and suggests that distant galaxies are moving away from us?
Category: Science · Difficulty: hard
Hint: It was named after an astronomer who measured the redshift of galaxies.
Answer
Hubble's Law
Explanation
Hubble's Law states that the farther away a galaxy is, the faster it is receding from us, indicating that the universe is expanding.
This is a hard science riddle — a tricky one that takes a little thought. The answer is Hubble's Law.
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