ASTR 170B1 Lecture Notes - Lecture 1: Fusion Power, Dark Matter, Copernican Revolution
28 Sep 2016
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Document Summary
The study of everything beyond the earth. Founded by humanity"s curiosity over the sky. Carefully observed the heavens in ancient times. Telescopes now go all the way to the beginning of the universe (nearly) How are they organized in the universe? (structure) Methods of science ( making sense of discovery) Telescopes for other kinds of light (electromagnetic radiation) X-rays, gamma rays (must observe from space) Simulative events process over vast times and distance. Astrology - roots in ancient sky-watching motions of stars, planets. Belief that these control human actions, events. 12 signs of zodiac from real constellations. For individuals, details predictions based on planet positions at. Two main objection to astrology as a science: birth. No mechanism given to connect motions of celestial objects with human traits, actions. Beginnings of math(following cycles of planets, moon, sun; origin of calendars, timekeeping) New discoveries: exotic objects scratch and test scientific theories -- for example:
