3. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto is now considered a dwarf planet.

5. Mercury has extreme temperature changes with very hot days and cold nights. Mercury orbits the sun about once every 88 days. Mercury

6. Venus is the brightest planet in the nigh sky. Venus orbits the sun every 224.7 days. It is covered by a thick layer of clouds. Sometimes called the morning star because it is brightest just before sunrise.

8. Scientist believe that Mars was the most similar to Earth at onetime they had common climates, seasons and daily rotations. Mars climate is now different than the Earths. MARS

9. Jupiter is the largest planet in the solar system. Jupiter has at least sixteen moons. The Great Red Spot is a storm that has been viable for over 300 years.

10. Saturn is most easily distinguished by its rings which are made of ice and rock. Earth passes through one of Saturn’s ring every few years during orbit.

12. Neptune and Pluto sometimes trade places due the eccentric orbit of Pluto. Most of what is known about Neptune comes from the Voyager 2 visit in 1989. Neptune

13. Pluto was a planet for 76 years, but is now considered a dwarf planet. Pluto was discovered in 1930 due to a calculation error.