Planets : Are bodies orbiting around a star like the Earth.

Satellites : Are bodies orbiting around a planet like the Moon.

​Comets : Are tiny bodies made of ice, dust and gas. Trey travel around the Sun. When approaching the sun, part of its nucleus vaporizes to form a gaseous coma and a long luminous tail.

Asteroids: Are small rocky bodies orbiting around  the sun , but  are too small to be called planets.

Meteoroids: Are small bodies that travel through space. Meteoroids are smaller than asteroids. They come from broken asteroids or from the moon, comets or Mars. ​

​Meteors: Is a meteoroid that has entered the Earth's atmosphere

Meteorites: Is a meteor that has fallen to Earth.