I make up most of the universe's mass but cannot be seen. What am I?

Category: Science · Difficulty: easy

Hint: Consider something mysterious.

Answer

Dark Matter

Explanation

Dark matter is a form of matter that does not emit light and is undetectable by traditional means, yet it accounts for a large portion of the universe.

This is an easy science riddle — a good one for children and beginners. The answer is Dark Matter.

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