1.The mixture of gases that surrounds the earth.
2.A piece of equipment shaped like a tube, containing LENSES, that you look through to make objects that are far away appear larger and nearer.
3.To restore something that broken, damaged or torn to good condition.
4.A mass of ice and dust that moves around the sun and look like a bright star with a tail.
5.The whole of space and everything in it, including the earth, the planets and the stars.
6.To be the first person to become aware that a particular place or thing exists.