GSCI 1051 Study Guide - Midterm Guide: Kuiper Belt, Hydrosphere, Fallibilism
Document Summary
Science is the pursuit of knowledge about the physical world. Builds and organizes knowledge in the form of testable equations: look for natural explanations, empirical derives knowledge from observation and experimentation, direct and indirect observations, fallibilism- possibility humans are capable of error, falsification- ability to prove something wrong. Theory: coherent group of tested general propositions, commonly regarded as correct, a proposed explanation whose status is still conjectural and subject to experimentation. Helps find necessary natural resources, predict earth"s behavior, preserve skills. Indirect means of identifying systems: doppler- light wavelength changes due to wobble, transit- when planet moves slightly, starlight dims. Gas giants- last 4 planets in the system. Small metal core surrounded by dense primary atmosphere with their own system of moons. Terrestrial planets- first 4 planets in the system. Metal core surrounded by rock mantle and crust. Secondary atmospheres formed by comet impact and volcanism. Supernova- massive stars exploding when they die forming new nebulae.
