Earth Sciences 1086F/G Lecture Notes - Lecture 12: Near-Earth Object, Ordinary Chondrite, Collisional Family
6 May 2016
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Document Summary
Kaaba stone = in mecca to which muslims pay homage may be obsidian (dark volcanic glass) or impactite (impact glass) Earliest meteorite fall witnessed on 7 november 1492 in alsace, france. Meteoritics = study of meteorites ernst chladni father of meteoritics". Titius-bode law = predicted distances between planets in au/helped find outer planets. Ceres = first asteroid discovered in asteroid belt between mars and jupiter (1801) Asteroid: natural rocky object in space measuring 100m to several hundred km in diameter. Meteoroid: natural rocky object in space measuring from a few mm to 100m in diameter. Meteor: visual streak of light associated with passage of small meteoroid through earth"s atmosphere; heat energy from friction between object and gas molecules in atmosphere produce light rmr meteor is not the object, only the light phenomenon. Fireball: light associated with large meteoroid/asteroid as it interacts with atmosphere.
