NEPTUNE : 2013 TUNE IT UP WITH NEPTUNE Hannah-Robert-Anna-Lucas-Kelsey

Neptune

What We’re Made of!  Gas giant  80% Hydrogen  19% Helium  1% Methane Methane gives the planet its blue color because the gas absorbs red light and reflects the blue back into space  Troposphere  Temperature decreases as altitude increases  Stratosphere  Temperature increases as altitude increases

Our Homies. Word.  13 Moons  Naiad  Thalassa  Despina  Galatea  Larissa  Proteus  Triton has atmosphere  Nereid  Halimede  Sao  Laomedeia  Psamathe  Neso

Missions- Voyager 2  1 st to observe  Launched August 20 th 1977  Closest approach on August 25 th 1989  Traveled for 12 years  Velocity of 19 kilometers

Size Matters  4 th Largest  Diameter 49,500 km  Volume 6.25 x km 3  Surface area 7.64x 10 9 km 2  Mass 1.02x kg

How Long…  Day  16 hours, 6 minutes, and 36 seconds  Year  60,190 days  Tilt  degrees

Our Background  Named after Roman god of the deep sea  Because of our position in deep space  Discovered  September 23, 1846  By: Johann Gottfried Galle

What Makes Us Special…  The Great Dark Spot  Was being looked for before it was known about  LIQUID DIAMONDS!!  Strongest Winds in Solar System  Coldest Planet in Solar System  Visited up close once

If Our Planet Was A Person…  Finn from Adventure Time!  They both like the color blue!  They are both adventurous! (farthest away)  They are both AMAZING!  They both love you.