GSU ASTR 1010 - Final Exam Study Guide (11 pages)

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Final Exam Study Guide



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Final Exam Study Guide

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Study guide for 4th exam.


Pages:
11
Type:
Study Guide
School:
Georgia State University
Course:
Astr 1010 - Astronomy of the Solar System
Edition:
1

Unformatted text preview:

ASTR 1010 1st Edition Exam 4 Study Guide Lectures 18 23 Lecture 18 November 4 The Moon Mercury Venus Know the similarities and differences between the moon and Mercury A Similarities Small Masses Moon 0 012 Mass of Earth Mercury 0 055 Mass of Earth Small Sizes Moon 0 27 Radius of Earth Mercury 36 R Earth Low Escape Speeds Moon 2 4 km s Mercury 4 2 km s Highly cratered surfaces No atmosphere other than temporarily attracted solar winds Large Temperature Swings Moon 100 400K Mercury 100 700K Largest variation of all Rotation and revolution locked in resonances spin orbit resonance Moon 1 1 Mercury 3 2 Either no magnetic field Moon Or an extremely weak one Mercury B Differences Density Moon 3 3 g cm 3 Mercury Venus 5 4 g cm 3 Similar to Earth Formation Moon was probably formed by a collision of a large planet Maybe Mars size Mercury s formation was probably similar to Earth s Venus and Mars formation Know the properties of Venus A Properties Mass is 0 106 Earth s Mass via Phobos and Deimos Radius is 0 53 of Earth Density is Mercury Atmosphere Temperature 200 300K Pressure 0 01 Atms Magnetic field 1 800 Earth Orbital Period 686 9 days Rotational Period 24h 37min Tilt of Axis 24 degrees Equatorial Tilt 24 0 degrees similar to Earth Mars has seasons also Clouds 3 93 g cm 3 It has a different interior than Earth Venus or CO2 rich H2O CO2 White Yellow Dust Dust Storms Blue Haze Lecture 19 November 6 Mars List the properties of Mars Radius is 0 53 of Earth Density is Mercury Atmosphere Temperature 200 300K Pressure 0 01 Atms Magnetic field 1 800 Earth Orbital Period 686 9 days Rotational Period 24h 37min Tilt of Axis 24 degrees Equatorial Tilt 24 0 degrees similar to Earth Mars has seasons also Clouds 3 93 g cm 3 It has a different interior than Earth Venus or CO2 rich H2O CO2 White Yellow Dust Dust Storms Blue Haze Interior Crust 100km thick Mantle 2050km thick not plastic now Core 1250 km thick in radius made of FeS 1 NO bulk magnetic field no liquid and or no pure Fe Ni 2



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