What is the term for the expansion of the universe, observable through the redshift of distant galaxies?
Category: Science · Difficulty: expert
Hint: It’s happening everywhere, making the universe larger over time.
Answer
Cosmic Expansion
Explanation
Cosmic expansion refers to the observation that galaxies are moving away from each other, indicating that the universe is expanding.
This is a expert science riddle — one of the harder riddles here. The answer is Cosmic Expansion.
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