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The Solar System

The Solar System. Terrestrial Planets. Mercury. Earth. Venus. Mars. Mercury. Fastest revolving planet Diameter: 4,880 km (3,100 miles). Named after the Roman Messenger god (Hermes). Very Thin Atmosphere-Sodium & Helium (almost non-existent). Looks similar to Earth’s Moon

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The Solar System

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  1. The Solar System

  2. Terrestrial Planets Mercury Earth Venus Mars

  3. Mercury • Fastest revolving planet • Diameter: 4,880 km (3,100 miles) • Named after the Roman Messenger god • (Hermes) • Very Thin Atmosphere-Sodium & Helium • (almost non-existent) • Looks similar to Earth’s Moon • Temperatures: 90 K to 700 K.

  4. Venus • Rotates backwards (Retrograde) • radius 6051 km / 3760 mi • surface temperatures near 460°C • Atmosphere is mostly made of CO2 • Hottest planet in the Solar System due to the Greenhouse Effect • Length of its day is longer than its year • Covered by ancient lava flows & extinct volcanoes • Named after the Roman goddess of Love & Beauty (Aphrodite)

  5. Earth • 93.3 million miles from sun • Diameter: 7,926 miles Moons: 1. Length of year: 365.25 days. • The average surface temperature of 55 ° F (13 ° C) • The earth has one natural satellite, the moon. • Atmosphere • 21% Oxygen • 78% Nitrogen • 1% other Gases

  6. Mars • The atmosphere on Mars is • 95% carbon dioxide, • 3% nitrogen, • 1.6% argon, with only a trace of oxygen and water. Temperature fluctuations from -207 degrees to a comfortable 80 on summer days 142 million miles from the sun. Diameter: 4,220 miles. Moons: 2. Length of year: 687 Earth days. • Half the size of Earth • Polar ice caps made of frozen CO2 (Dry Ice) • Largest volcano/mountain in the Solar System (Olympus Mons) • Red color because of Iron oxide (rust) in the rock • Viking 1 & 2 landers were the 1st to take pictures of the surface • Named after the Roman god of War (Ares) • It has 2 moons (Phobos & Deimos)

  7. Jovian Planets Jupiter Saturn Neptune Uranus

  8. Jupiter 483 million miles from sun. Diameter: 88,672 miles. Moons: 16. Length of year: 11.9 Earth years. • Largest planet in the Solar System • Large rotating hurricane “Great Red Spot” Like Saturn, it is a hydrogen / helium atmosphere planet with a presumed innermost core of rocky composition of metallic hydrogen and helium, • Hit by the pieces of Shoemaker-Levy 9 comet • Has a faint ring system • Has 16 named moons (63) • Almost became a star • Gives off more energy than it receives • Named after the Roman King of the gods (Zeus)

  9. Saturn Like Jupiter, it is a hydrogen / helium planet with a presumed innermost core of rocky composition and several Earth masses, an outer core of metallic hydrogen and helium, a liquid mantle of hydrogen / helium, and an atmosphere about 1000 km / 600 mi deep. • radius 60 000 km / 37 000 mi • 2nd largest planet • Very complex/elaborate ring system made of rock & ice • 21 named moons (31) • Named after the Roman god of Agriculture (Cronus)

  10. Uranus • 1,783 million miles from sun. • Diameter: 31,000 miles. • Length of year: 84 Earth years. • Rotates on its side Uranus' atmosphere is made up of hydrogen, helium, and methane • 15 named moons (27) • Only visited by Voyager 2 • Named after the Roman god of the Sky (Uranus)

  11. Neptune • Its composition is presumed to be rock and ice, • with a thin atmosphere of nitrogen, carbon monoxide and methane. • 3,666 million miles from sun. Diameter: 1,860 miles. • Methane gas gives it its blue color • Large Hurricane “Great Dark Spot” (no longer present) • Visited by Voyager 2 • Named for the Roman god of the Sea (Poseidon) • Fastest winds in the Solar System

  12. The Other Planet Pluto

  13. Pluto Its composition is presumed to be rock and ice, with a thin atmosphere of nitrogen, carbon monoxide and methane. • Smallest planet • Made of frozen gases (possible extinct comet) • Moon (Charon) is half the size of Pluto • Never visited by a satellite • It does not orbit on the same plane as the other planets • Named after the Roman god of the Underworld (Hades)

  14. Space Shuttle

  15. Space Shuttle

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