Meteoroids - Meteoroids...

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Meteoroids meteoroid - asteroid which enter Earth's atmosphere o usually pretty small (grains of sand, pebbles) meteor - streak of light from meteoroid burning up in Earth's atmosphere o most burn up 50-75 miles above surface of Earth o Figure 10.2 shows the process of meteoroids burning up  [Link to Figure   10.2] meteorite - solid debris that reaches Earth's surface o must start out greater than basketball size to reach Earth's surface compositions: iron-nickel - from cores of asteroids silicate rock - from surfaces of asteroids carbon - with complex organic molecules like amino acids Figure 10.3 shows examples of different compositions of meteorites  [Link to   Figure 10.3] Figure 10.6 shows how these different compositions arise  [Link to Figure 10.6] Comets Here is a link to information and pictures on comets:
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This note was uploaded on 03/09/2012 for the course AST 1002 taught by Professor Emilyhoward during the Spring '10 term at Broward College.

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Meteoroids - Meteoroids...

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