Comets asteroids and metors definitiions
Comet: NounA celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away...Asteroid: NounA small rocky body orbiting the sun. Large numbers of these, ranging in size from nearly 600 miles (1,000 km) across to dust particles,...Meteor: NounA small body of matter from outer space that enters the earth's atmosphere, appearing as a streak of light. From Google definitions. To do this yourself, just go to the "search." Type the word you want and the word, definition. For example: "meteor definition". It's easy, and very fast!