What celestial phenomenon, named for its bright tail, marks the end of a comet's journey as it approaches the sun?
Category: Science · Difficulty: hard
Hint: It's the glowing envelope that surrounds the comet's nucleus.
Answer
Coma
Explanation
The coma is the nebulous envelope around the nucleus of a comet, formed by gas and dust when it nears the sun.
This is a hard science riddle — a tricky one that takes a little thought. The answer is Coma.
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