ASTR 3 Study Guide - Midterm Guide: Euclidean Vector, Net Force, Earth Mass
Document Summary
Calculation about a stone falling to earth. Scientific fact: a close argument by competent observers who make a series of observations about the same phenomenon. Scientific law/principle: when a hypothesis has been tested oer and over again with no contradictions. Scientific theory: synthesis of a large body of information that encompasses well tested and verified hypotheses. Scientific method: principles and procedures for the systematic pursuit of knowledge involving the recognition and formulation of a problem. 2. 1 aristotle on motion (384 322 bc) Believed there was natural motion and violent motion. The heavier the object, the faster it should fall . Believed different rules applied to the heavens than to earth. Claimed that the easiest way to explain the observed motions of the sun, moon, and planets through the sky was to assume that earth (and other planets) circles around the sun. Concerned with how things move rather than why they move.
