How long does it take our solar system to complete one orbit around the Milky Way Galaxy?
A) 10 thousand years
B) 230 thousand years
C) 1 million years
D) 100 million years
E) 230 million years
Answer: E
How long does it take our solar system to complete one orbit around the Milky Way Galaxy?
A) 10 thousand years
B) 230 thousand years
C) 1 million years
D) 100 million years
E) 230 million years