How do we call the duration of time required for the Solar System to orbit once around the center of the Milky Way galaxy?

January 6, 2015 No Comments yet Posted in: Trivia crack answers

Question: How do we call the duration of time required for the Solar System to orbit once around the center of the Milky Way galaxy?

Options:

Light year

Cosmic year

Solar year

None of these

Correct answer:

Cosmic year