[EARTH 119] - Midterm Exam Guide - Comprehensive Notes for the exam (29 pages long!)

• School: U of M
• Department: Earth and Environmental Sciences
• Course: EARTH 119
• Professor: Kyger Lohmann

Document Summary

Earth 119- chapter 1: cosmology and the birth of earth. Universe: all of space and all the matter and energy within it. Cosmology: the systematic study of the overall structure and history of the universe. Geocentric model: the model of the universe in which the earth sits without moving at the center of the universe, while the moon and the planets orbit around it within a globe of stars. Heliocentric model: the model of the universe in which the sun lay at the center of the. Universe, with the earth and the other planets orbiting around it. Gravity: the attractive force that one object exerts on another. Solar system: the sun, planets, moons, and countless other small objects held together by gravitational attraction. Planet: an object that orbits a star, is spherical, and has cleared its neighborhood of other objects . Moon: a sizeable body locked in orbit around a planet.