What shines without heat and brightens without fire?

Category: Knowledge · Difficulty: easy

Hint: It shines after being exposed to light.

Answer

A glow-in-the-dark star

Explanation

Glow-in-the-dark objects emit light without producing heat or needing fire.

This is an easy knowledge riddle — a good one for children and beginners. The answer is A glow-in-the-dark star.

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