Lecture 3 - Surface of the Moon- The moon has the same...

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Unformatted text preview: Surface of the Moon- The moon has the same features as man other worlds- It can be classified into two types of surfaces: Mare and Highlands Lunar Highlands Lunar Mare Albedo: High, Bumpy Low, Smooth Age: Old Young Crater Density: High Low Main Geological Feature: Impact Craters Lave Flows Primary Rock Types: Impact Breccia Pristine Highland Rocks Basalt Side of Moon Near Side Far Side Impacts- Exogenetic source- Bomb craters = Lunar Craters- Kinetic Energy = ½ Mass x Velocity^2- Impact Craters are always circular, no matter the angle o An explosion, not the digging of the surface by the projectile, forms impact craters. Simple Impact Craters- Relatively small, 1km or less- About size of UW Complex Impact Craters- Up to 100 km- City sized- Has central peaks/ mountains in crater Impact Basins- Up to 1000 km- State Sized- Near side of the moon- Variety of features in crater Secondary Craters- After impact- Formed from shot up large debris from larger impacts Rays (Ejecta)- Sends material outwards in surround area...
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This note was uploaded on 04/19/2008 for the course ASTR 150 taught by Professor Tobysmith during the Spring '08 term at University of Washington.

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Lecture 3 - Surface of the Moon- The moon has the same...

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