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Astronomy 100

Astronomy 100. Jupiter & Solar System Review. Now: Think of a question you have about the outer solar system: Jupiter, Saturn, Uranus, Neptune. I WILL ASK YOU FOR IT LATER! Main concepts: Go over Charting the Moon Jupiter and Saturn Basic Facts about Planets If time … Uranus and Neptune

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Astronomy 100

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  1. Astronomy 100 Jupiter & Solar System Review

  2. Now: Think of a question you have about the outer solar system: Jupiter, Saturn, Uranus, Neptune. I WILL ASK YOU FOR IT LATER! Main concepts: Go over Charting the Moon Jupiter and Saturn Basic Facts about Planets If time … Uranus and Neptune Vocabulary: Mary’s Violet Eyes Made John Stay Up Nights Period

  3. Want to Know • 2 • Learned • 3 Know • 1

  4. Want to Know • How long will the Red Spot Last? • How did the giant planets get there in the first place? • How do we know what the atmospheres are made of? • How do we know that compounds are in an atmosphere, and not their components? • Is/was there life on the giant planets or their moons? • What makes the colors? • Do the colors/stripes change over time? • RINGS?!?!?!??!?!?!?! • Temperature? • Learned • Gassy • Farther away • Largest in our Solar System • Neptune and Uranus are blue • All have rings • Neptune and Uranus are icey Know • Big red spot: storm – 400 years • Big planet: rings • Layers (stripes) • Layers top/bottom • Stuff moves • BIG, GINORMOUS • No solids ground? • Big magnetic field? • Hydrogen/Helium

  5. How long will the Red Spot Last? 400 yrs+??? • How did the giant planets get there in the first place? – Coalesced out of the protoplanetary disk. • How do we know what the atmospheres are made of? – Spectra. • How do we know that compounds are in an atmosphere, and not their components? • Molecules absorb differently than elements.

  6. Is/was there life on the giant planets or their moons? • Planets – no • Moons – Europa, Callisto, Io, Enceladus, Titan • What makes the colors? • Composition – Sulfur, Water, • Do the colors/stripes change over time? yes • RINGS?!?!?!??!?!?!?! ice • Temperature?

  7. Temperature? • Jupiter • -145C Cloud tops • 21C (room temp) deeper down – 10 atmospheres • 24000C middle • Giving off heat, but only what it had to start with • Saturn • -175C cloud tops • Gives off heat

  8. Temperature? • Uranus • -215C top • 2300C in the “ocean” • 7000C core • Neptune • -214C top • 4200C “ocean” • 12600C core

  9. Mercury • HOT – close to the Sun • Small – smallest of the Terrestrials • Craters • No atmosphere

  10. Venus • HOT HOT HOT – greenhouse effect • Could melt lead at the surface • Same size as Earth • Atmosphere – thick and toxic

  11. Earth • Liquid Water • Life

  12. Mars • COLD – further from the Sun • Smaller than Earth • Carbon Dioxide Atmosphere – less atmosphere, further from the Sun • No life that we can see …. • Solid Water – ice • Liquid water – a little, sometimes, some places • Water Vapor – clouds/snow

  13. Jupiter • Huge • Made of Gas – H, He, water, methane, ammonia • Red Spot – storm • Rings – we don’t see very well • Kerjillions of moons

  14. Saturn • Huge, but smaller then Jupiter • Made of Gas – H, He, water, methane, ammonia • Rings made of ice crystals • Kerjillions of moons • Both • Core – metallic Hydrogen?

  15. Uranus • Ice?! • Core (small) • Lot of moons • SIDEWAYS

  16. Neptune • Ice?! • Core (small) • Lot of moons • Dark Spot

  17. Pluto & the Kuiper Belt • Orbit inclined • Rock/lot of ice • 3 moons – Charon, Hydra, Nix • Quaoar, Haumea, MakeMake, Eris (Dysnomia) , Sedna • Dwarf Planets: Ceres, Pluto, Eris, Haumea, MakeMake

  18. Draw the Solar System IN ORDER

  19. Answer Now: • What is a question you STILL have about Jupiter or Saturn?

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