Question

facts on astronomy.

Answer 1

Following are few facts on astronomy ;

1) We can only detect about 5% of the matter in the universe.
2) The Sun's core releases the the equivalent of 100 billion nuclear bombs every second.
3) Light from distant stars and galaxies takes so long to reach us that we are actually seeing these objects as they appeared in the past
4) Shooting stars really aren't stars. They are usually just tiny dust particles falling through our atmosphere and they vaporize due to the heat of friction with the atmospheric gases.