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15 Cards in this Set
- Front
- Back
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Fission
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Protoearth spun so fast that the moon budded off - but wrong angular momentum
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Coformation
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Formed near earth from nebula - But small iron core and low volatiles
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Capture
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Formed somewhere else - But wrong oxygen isotoped + hard to capture + no iron or volatiles
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Impact Theory
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Earth Hit my Mars sized asteroid, flung off and formed the moon
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3 ways of viewing out of system planets
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- Direct imaging
- Radial Velocity - Transists |
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3 reasons why we believe that the solar system was formed in a disk
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-Circular rotation
-Same direction of rotation -Rotate upright and prograde |
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Why didn't the little pieces that formed earth contain water
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Planetecimals too hot and too close to contain ice - Condensation theory
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2 processes which heat/ed the interior of the earth
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frequent impacts and radioactive decay
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When would neap tide occur?
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First and third quarter moons
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When did Neil Armstron land his ass on dat m00n
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July 20th 1969
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Jovian Planets
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Jupiter, Saturn, Uranus and Neptune
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Terrestrial Planets
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Mercury Venus Earth and Mars
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Breccias
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Rocks glued with glass from impacts
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Astrometric Detection
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Small deviations from the constant orbit of center of mass indicate that there must be some form of mass there
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Condensation Tempurature
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Forms Metals -> Rocks -> Ice
More dense -> Less Dense |
