5. Click on the telescope to view more!

6. Discovery of the Solar System A telescope magnifies objects that are far away and allows us to see them clearly. Click on the magnify glass to see some object through a telescope.

8. The Sun True False

9. The Terrestrial Planets A terrestrial planet is a planet that is primarily composed of rocks and/or metals. Click on the rock to see the terrestrial planets in our solar system. Hey! Those are also the four planets closest to the sun!

10. The Gaseous Planets A gaseous planet is a planet that does not contain any of rocks and/or metals. Click on the gas flame to see the gaseous planets in our solar system. Hey! Did you know that gaseous planets are also called Jovian planets, named for the gas giant Jupiter?

11. The Dwarf Planets A dwarf planet is a object that is too small to be categorized as a planet but too large to be categorized as any other object. Three of the larger dwarf planets are found below. Hey! Did you know that the dwarf planet Pluto was the only planet to be named by a kid? Pluto used to be classified as a planet. It wasnt until 2006 that it was changed to a dwarf planet.

12. Jupiter Mercury Venus Mars Earth UranusSaturn Neptune Lets take a closer look at each of the planets in the solar system. First stop -- Mercury!

13. MercuryMercury

14. VenusVenus

15. EarthEarth

16. MarsMars

17. JupiterJupiter

18. SaturnSaturn

19. UranusUranus

20. NeptuneNeptune