I hold the secrets to time's passage and can be measured in light-years. What am I?
Category: Science · Difficulty: hard
Hint: My measurements help astronomers understand how far away stars are.
Answer
The distance of celestial objects
Explanation
The distance of celestial objects is often measured in light-years to illustrate the vastness of space and the time it takes for light to travel.
This is a hard science riddle — a tricky one that takes a little thought. The answer is The distance of celestial objects.
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