1. Lesson 5: Rotation vs. Revolution

2.  A planet spinning on its axis.  1 Day  Venus has the solar system’s longest day! PlanetDay Mercury58 Earth days Venus243 Earth days Earth24 hours Mars24.5 Earth hours Jupiter10 Earth hours Saturn10.5 Earth hours Uranus17 Earth hours Neptune16 Earth hours

3.  The motion of a planet going around the sun.  1 year  Neptune has the longest year! PlanetDistance from the Sun (millions of KM) Period of Revolution (year) Mercury 58 8 8 days Venus 108 224 days Earth 150 365 days Mars 228 687 days Jupiter 778 11.6 years Saturn 1, 427 29 years Uranus 2, 870 84 years Neptune 5, 913 165 years

4.  Saturn or Jupiter?  Earth or Mars?  Venus or Uranus? PlanetDistance from the Sun (millions of KM) Mercury 58 Venus 108 Earth 150 Mars 228 Jupiter 778 Saturn 1, 427 Uranus 2, 870 Neptune 5, 913

5.  If I lived on another planet…