Sun is moving around the centre of the galaxy at a velocity of _______ km/s?
Correct answer: D. 220
- A. 205
- B. 210
- C. 215
- D. 220
Explanation
The Sun orbits the centre of the Milky Way at roughly 220 kilometres per second. Its orbital period is about 225 to 250 million years, often called one galactic year.
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