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Astronomy 4/ Study Guide 1 Vocabulary: rift zone, subduction zone, magnetosphere, aurora, convection, Celestial Sphere, ecliptic, Constellation, Asterism, retrograde motion, eccentricity, velocity, acceleration, inertia, differentiation, astronomical unit, light-year, Igneous rock, Metamorphic rock, Sedimentary rock, Isotopes Chapter 1 Be familiar with the scale of things (size of solar system, size of galaxy, size of observable universe) Be familiar with the scientific method (differences between theory and hypothesis) Chapter 2 Helio-centric models know who developed them understand how it was used to explain celestial observations. understand why Copernicus was not happy with the Geo-centric model Geo-centric model know who developed them understand how it was used to explain celestial observations Know and understand Kepler’s three laws Know Newton’s three Law *study Quick Quiz questions Chapter 3 Know the trends in density, mass, and size for terrestrial vs. jovian planets Know the main differences in composition of planetary atmospheres between Terrestrial and Jovian planets. Be familiar with the current theory (Nebular Theory) about how our Solar system was formed Understand where the elements of life come from Understand what spectroscopy is and what we can learn from it. Know the difference between continuous, absorption, and emission spectrum. *study Quick Quiz questions Chapter4 Understand the role that plate tectonics play in shaping the Earth’s surface and keeping the Earth a habitable world (Carbon dioxide cycle) Formation of Earth’s atmosphere and Oceans ‘The Large Impact Theory’ that explains the formation of the moon Short answer (Essay) Possibilities 1. Briefly describe and contrast the different views of the atomists and the Aristotelians on the subject of extraterrestrial life. 2. Briefly explain why we think our solar system ended up with rocky worlds in its inner region and icy or gaseous worlds in its outer regions.