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ASTM001/MAS423 SOLAR SYSTEM PowerPoint PPT Presentation


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ASTM001/MAS423 SOLAR SYSTEM. Carl Murray. Lecture 1: Introduction. The Solar System. Mercury. Unusual rotation Anomalous precession Do Vulcanoids exist?. Venus. Unusual rotation Lack of small craters Atmosphere. Earth. Liquid water Atmosphere Life! Few impact craters.

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ASTM001/MAS423 SOLAR SYSTEM

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ASTM001/MAS423

SOLAR SYSTEM

Carl Murray

Lecture 1: Introduction


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The Solar System


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Mercury

  • Unusual rotation

  • Anomalous precession

  • Do Vulcanoids exist?


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Venus

  • Unusual rotation

  • Lack of small craters

  • Atmosphere


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Earth

  • Liquid water

  • Atmosphere

  • Life!

  • Few impact craters


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The Earth and Moon


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The Moon

  • Formation?

  • Asymmetric faces

  • Synchronous

  • Receding


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Mars

  • Polar caps

  • Unusual rotation

  • Liquid water?

  • Life?

  • Eccentric orbit


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Asteroids

  • Formation?

  • Orbital evolution

  • Rotation

  • Satellites

  • NEOs


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Jupiter

  • Gas giant

  • Role in orbital evolution

  • Satellite system

  • Ring system

  • Resonances!

  • Vulcanism!


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Saturn

  • Gas giant

  • Ring system

  • Satellite system

  • Resonances!

  • Vulcanism?


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Saturn’s Rings

  • Intricate structure

  • Embedded satellites?

  • Gaps

  • Narrow rings

  • Eccentric rings

  • Diffuse rings

  • Lifetime problem


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Uranus

  • Unusual rotation

  • Narrow ring system

  • No resonances!

  • Inclination of Miranda

  • Orbital evolution


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The Uranus System


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Neptune

  • Lack of satellites

  • Retrograde Triton

  • Eccentric Nereid

  • Unusual ring system


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Neptune’s Rings

  • Radial confinement?

  • Azimuthal confinement?

  • Embedded satellites?

  • Stability


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Pluto

  • Single moon

  • Unusual rotation

  • Orbital evolution

  • Is it a planet?


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Comets

  • Origin?

  • Evolution?

  • Threat?

  • Density?


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Comet Halley


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Some Questions

  • How did the solar system form?

  • How do solar systems form?

  • What determines their dynamical evolution?

  • Is the solar system stable?

  • How do we solve the ring lifetime problems?


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