Riddle

How many orbits has Neptune made since discovery?

Choose an answer

A.10
B.100
C.165
D.One
Hint: It's a word with 3 letters, starting with "O".

Answer

One

Why this is the answer

Neptune takes ~165 years to orbit; it was discovered in 1846 and finished its first orbit in 2011.

This riddle is filed under Science Riddles and rated Hard.

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