ASTR 101 Study Guide - Comprehensive Midterm Guide: Sudbury Neutrino Observatory, Northern Hemisphere, Electromagnetism

219 views19 pages

Document Summary

Navigation (gps); rely on satellites and sky to determine our location. Frontiers to explore; gives us something to explore, to learn about. Our insigni cance; we are quite small compared to the universe. Our fragility; would be obliterated if hit by a meteorite. Technological spinoffs; cameras used in phones were originally introduced for astronomical purposes. Resources elsewhere; nding other resources we could use if we ever run short. Habitable worlds; relocation to a different planet, solar system. Serendipitous discovery; lead to promising discoveries that could bene t us. Physics at the limit ; if we understand reactions in space, we can use research to help us. Science should be testable; can lead to theories, hypothesis. Ready to challenge authority; proving other theories wrong. Minimalist in its assumptions; ockham"s razor; have the simple explanation, and follow that; regardless it being right or wrong, following through a simple theory that makes sense as an explanation.