How many orbits had the sun completed just after the formation of solar system?
1 Answer
Dec 31, 2015
Sun takes about 220 to 250 million years to complete one round about milky way.About 20 round trips.
Explanation:
As per cosmologists Universe is 13.8 billion years old.Solar system is 4.6 billion years old..The Sun along with solar system goes round the milky way at a speed of 220 kilometers/second.
