ASTR 1101 : Notes For Exam 1
Document Summary
Isaac newton theory of gravity; explained all the motions of planets. Mercury didn"t fit, very small discrepancy between newton"s theory and what was actually happening. Means newton was wrong, no matter how small the error. Einstein worked to come up with new theory because newton was wrong. Theory of evolution by darwin is considered good because fits all the facts that we know. Einstein theory of relativity (1916) about how gravity works (bends) Scopes trial in tennessee 1923 clarence darrow (defend) and william jennings. Not allowed by einsteins theory of relativity (if right, would no longer be a theory) not faster than the speed of light. Hypothesis becomes theory after testing (known facts, make predictions) Hallie"s comet named after hallie, newtons best friend. Galileo discovered the moon had mountains and valleys. Both gave evidence of the earth going around the sun. Jupiter had 4 moons (galilean moons) and were in orbit. Pieces of evidence earth was like other planets.
