Riddle

I am the equivalent of a one-way street in the universe. What am I?

Choose an answer

A.Light
B.Entropy
C.A Black Hole
D.A black hole
Hint: It's a 3-word phrase with 10 letters, starting with "A".

Answer

A black hole

Why this is the answer

Time only moves in one direction�forward�according to the second law of thermodynamics.

This riddle is filed under Science Riddles and rated Medium.

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