GEOL 1010 Study Guide - Quiz Guide: Stellar Nucleosynthesis, Accretion Disk, Nucleosynthesis
28 Oct 2016
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Document Summary
Absolute-age dating: relatively accurate dates to events in earth history. Relative dating: events placed in their proper sequence or order without knowing their absolute age. The earth is 4. 7 billion years old, while the universe is 13. 7 billion years. Chapter 1 the earth in context old: doppler effect: permits us to detect star motion. Is the change in the observed frequency of a wave as it moves towards or away from an observer. Shows how the universe is expanding, galaxies are moving away from each other at rates that depend on how far apart they are. You can find that these distances were once at 0, which supports the big. Bang theory: geocentric model: earth is at the middle of the universe. Gained most followers because of egyptian mathematician ptolemy. High accepted in the middle ages: heliocentric model: sun at the middle of the universe. Accepted in the 15th century due to the efforts of nicolaus copernicus and galileo galilei.
