How the moon was formed! The moon was formed when Earth collided with a small planet. The debris from this collision collected in an orbit around Earth, thus forming the moon.

The speed of light is in fact an assumption. The truth is that we have never measured the speed of light in one direction experimentally. The speed of light in a vacuum is said to be 299,792 kilometers per second....

The Rosetta was launched by the European Space Agency on March 2, 2004. Philey was the lander in it.Rosetta's target is "67P / Churyumov – Gerasimenko", a comet located 405 million kilometers from Earth. 67P / Churyumov – Gerasimenko, located...