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.

Question

Quizplus · Accepted Answer

The Galactic Year is estimated to be about 225 million years, which is the time it takes for our solar system to complete one orbit around the Milky Way Galaxy. The Galactic Year is also known as a cosmic year and it is the time required for our solar system to complete one orbit around the Milky Way galaxy. It is estimated to be around 225 million years.

The Galactic Year Is the Time for Our Solar System