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Exploring the Solar System: Mass, Composition, and Scale

Dive into the Jovian planets, dwarf planets, and asteroids while understanding the mass, composition, and scale within the solar system. Learn about Jupiter's gravity, comets, meteoroids, and impact craters. Get ready for a Solar System Quiz and the Astronomer Research Project. Don't miss the upcoming next Comet events: Comet Siding Spring on October 25th and Comet Finlay on December 27th. Test and exam retakes are due by Friday, and the deadline for late work is also coming up. Explore the wonders of our celestial neighborhood!

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Exploring the Solar System: Mass, Composition, and Scale

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  1. Bell 9/23 • List the Jovian planets in order of increasing mass. • Objectives: • Relate the composition of objects in the solar system to their distance from the Sun. • Compare the size and scale of objects within the solar system. 

  2. Announcements Test and exam retakes due Friday 9/26 Astronomer Research Project Due Last day for late work: 9/26 Solar System Quiz: Thursday (Next Class)

  3. Dwarf Planets Estimates of up to 200 dwarf planets 5 officially recognized

  4. Asteroids Chunks of rock Jupiter's Gravity:

  5. Comets Made of Ice and Dust

  6. Comet's Orbit

  7. Short and Long Period Comets • Long Period: • Greater than 200 years • Oort Cloud • Short Period: • Less than 200 years • Kuiper Belt

  8. Next Comet • Comet Siding Spring: October 25th 2014 • Might hit Mars on October 19th • Comet Finlay: December 27th • .048 Au from earth • The Moon is 0.002 AU from earth

  9. Meteoroid, Meteor, Meteorite • Meteoroid: • Small rocky particle in space • Meteor: • A streak of light in earth’s atmosphere • Meteorite: • Meteor that strikes a planet or a moon • Impact crater: • Round depression formed on the surface of a planet by the impact of a meteorite.

  10. Impact Craters Meteor Crater Arizona 1 mile across Acraman Crater South Australia 59 miles across

  11. Scale of the Solar System

  12. The Solar System Scale Solar System

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