GSCI 1050 Chapter Notes - Chapter 1-8: Protoplanetary Disk, Stellar Nucleosynthesis, Interstellar Space
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Chapter 1: cosmology and the birth of earth. Universe: space and everything it contains, contains two basic entities. The substance that makes up all objects. Mass: the amount of matter in an object. The inherent ability of a region of space and the matter within it to do (cid:862)(cid:449)o(cid:396)k(cid:863) Cosmology: the study of the overall structure of the universe, provides a foundation from which we can begin to explore the composition, structure, and evolution of the earth. Geology: the study of the earth. What is the structure of our universe: astronomers. People who study celestial bodies: celestial objects. Natural occurring bodies in the universe: stars. Ancient cultures realized what they could see above had a recognizable order. Stars moved across the sky as if revolving around a fixed point but the positions of these points relative to each other remained fixed: planets. Earths sits without moving at the center of the universe while the.
