AST 112 Study Guide - Midterm Guide: Protostar, Cosmic Distance Ladder, Cosmic Microwave Background
Document Summary
These are areas to concentrate on studying, but you should be familiar with everything we discussed in lecture. The test will cover material in the lecture notes, in-class activities, and homework. Most problems will test your understanding of concepts, but you will see a few de nitions or calculations. Know what molecular clouds are and how we observe things in them. Know what kinds of gas form stars and the relative numbers of different kinds of stars formed. Know what a protostar and its surroundings look like. Know the structure of the milky way, where our sun is in the galaxy, and where one. Nds different kinds of stars and star formation. Know how the galaxy, for example its spiral arms and elemental abundances will change over time. Know how galaxies are classi ed (i. e. ellipticals, spirals, etc. ) and what kinds of stars and star formation are found in each.
