GEO 303 Lecture Notes - Lecture 1: Volatiles, Magnesium, Chondrite
25 Sep 2020
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* why pluto not a planet ? for all planets : shape: spherefica, orbit around stars, clear neighborhood of objects. Earth moon : around: orbit, mostly made of rocks. How did you know : evidence from outer space , meteorite. 4. 5 ga: zircons from ancient continental crust. * age of the universe : : universe. H 39 galaxies: big bang theory, brightness (cid:15482) distance. Doppler effect : - light spectrum (cid:15482) motion i change in pitch (cid:15482) doppler effect . Ambulance coming toward you , it has a higher pitch than. " light waves: blue light : higher. " red light : frequency ; compressed frequency ; expanded ; moving. ; coming toward you . away from you . Universe : - small point (cid:15482) : i. * formation of the lightest elements : - Gravity of light material (cid:15482) nebulae and stars: nucleosynthesis of heavier.
