Question

What is the time taken by Sun to revolve around the centre of our galaxy?
A. 2.5 crore years
b. 10 crore years
C. 25 crore years
D. 50 crore years​

Answer 1

Answer:

Answer: Yes, the Sun - in fact, our whole solar system - orbits around the center of the Milky Way Galaxy. We are moving at an average velocity of 828,000 km/hr. But even at that high rate, it still takes us about 230 million years to make one complete orbit around the Milky Way!

Answer 2

( c )  25 crore years

The time taken by the sun to revolve around the center of our galaxy is 25 crore years. A galaxy year, also known as a cosmic year, is the period of time required for the Sun to orbit once around the center of the Milky Way. In fact, our whole solar system - orbits around the center of the Milky Way Galaxy. We are moving at an average velocity of 828,000 km/hr.

A galactic year is 230 million Earth years.

The diameter of the Milky Way is about 100,000 light-years and the Sun is located about 28,000 light-years from the Galactic Center.

So the correct answer is option C.

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