GLGY 202 Midterm: Midterm review Geology
26 Apr 2016
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Galileo: observed mountains and seas on moon first, 4 satellites of jupiter. Kepler: discoveries on rules governing the movement of planets around the sun. Conrad gesner: explored earth and rocks (organic objects) Birth of science = establishment of the royal society of london (meeting end of dec 1660 small # of scholars designed the institution; established next month) In science we use the trial and error method. Science is based on direct observation or experiments. Pseudoscience- do no respect the principles of science. Milky way: consists of stars and nebulae, oldest in our galaxy, spiral galaxy, part of local group galaxy. Blue=moving closer, red=moving away therefore means the universe is expanding. The theory explaining the expansion of the universe is the big bang theory. The process of universe expansion initiated around 13. 7-13. 8. Cobe and wamp (charted the oldest light in universe) Nebulae: low density concentration of gas and dust.
