1. Neptune: The Last Planet

2. Neptune Bio/Facts Diameter: 49,248 km Relative Mass (Earth = 1): 17.1 Density (kg/m 3 ): 1760 Distance from Sun (AU): 30.04 Length of Day: 16.1 hours Length of Year: 59,800 days-163 years! Mean Temp: -328 ⁰F

3. Atmosphere How is it similar to previous gas giants?

4. Winds Neptune’s winds can reach 1,500 miles per hour! (remember hurricanes reach 200 mph at most!)

6. What does this look like?

7. Triton (Moon) What are these images signs of? (Dark smudges and craters)

8. Neptune’s Biggest Moon Triton How is Triton’s orbit (in red) differ from orbits of other moons and rings (gray)?

9. Video Refuel http://www.youtube.com/watch?v=YniTXrqekCE http://www.youtube.com/watch?v=189D-6H2HM0