meteoroid

a meteoroid can become a meteor when it enters the earth's atmosphere.

the size of a meteoroid can vary greatly.

scientists study meteoroids to learn more about the solar system.

meteoroids are often remnants from comets or asteroids.

when a meteoroid hits the earth's surface, it is called a meteorite.

the study of meteoroids helps us understand the formation of planets.

many meteoroids burn up in the atmosphere before reaching the ground.

a meteoroid's speed can reach tens of thousands of kilometers per hour.

some meteoroids are small enough to be unnoticed by the naked eye.

the impact of a large meteoroid can cause significant damage.