Multiple Choice
The Galactic Year is the time for our solar system to orbit the Galaxy; it is about:
A) 15 million years.
B) 225 million years.
C) 4.5 billion years.
D) 9.6 billion years.
E) 13.5 billion years.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q68: Which method relies on the mass of
Q69: As Curtiss thought, our Milky Way is
Q70: The orbits of Population II stars have
Q71: What do the orbits of Populations I
Q72: How did Herschel try to map our
Q74: The instability strip includes many main sequence
Q75: Most of the mass of the Milky
Q76: Which of these objects have NOT been
Q77: Which sequence of formation in our Galaxy
Q78: RR Lyrae stars pulsate, but with shorter