What measures the vastness of the universe, yet is often represented by a simple yardstick of light?
Category: Science · Difficulty: hard
Hint: It's a unit of distance used in astronomy.
Answer
Light years
Explanation
Light years measure how far light travels in one year, often used to describe astronomical distances.
This is a hard science riddle — a tricky one that takes a little thought. The answer is Light years.
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