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SFASU | AST 105
Class & Mod Astronomy
8 sample documents related to AST 105
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SFASU AST 105
Chapter 14 Our Galaxy All sky view of the Milky Way Questions s How many stars are in the Milky Way? x About 200 billion How many galaxies are there? x About 40 billion (approximately) s Questions s How old is the Milky Way Galaxy? x It is 15 b -
SFASU AST 105
Chapter 12 Star Stuff Evolution of Low-Mass Stars 1. The Sun began its life like all stars as an intersteller cloud. 2. This cloud collapses due to gravity into a dense core. 3. In about a million years a small, hot, dense core called a protostar f -
SFASU AST 105
Chapter 10 Our Star Hydrostatic Equilibrium or Gravitational Equilibrium q The outward pressure force balances the inward gravitational force everywhere inside the Sun. Gravitational Equilibrium in the Sun. The Suns Properties The Sun\'s Atmosphe -
SFASU AST 105
Chapter 17 The Beginning of Time Running the Expansion Backward Temperature of the Universe from the Big Bang to the present (1010 years ~ 3 x 1017 seconds) A Scientific History of the Universe The Big Bang Theory The scientific theory of the uni -
SFASU AST 105
Chapter 6 Our Solar System and Its Origin Comparative Planetology By studying the differences and similarities between the planets, moons, asteroids and comets, we can gain a fuller understanding of the solar system as a whole. Side View of Our So -
SFASU AST 105
Remnants of Rock and Ice: Asteroids, Comets, and Pluto Remnants of Rock and Ice Remnants Meteorites carry Comets, Asteroids andfrom Birth the history of our solar system encoded in their compositions, locations, and numbers. Asteroid: a rocky le -
SFASU AST 105
Astronomy105Clickers Wewilluseclickertechnologyinbothlectureandlaboratory.Yourresponsestoclickerquestionswillcountas partofyourcoursegrade. CompletethefollowingstepsbeforeThursday,January17. RF PurchaseanInterwritePRS clickeratthebookstore.Theclicke -
SFASU AST 105
Chapter 5 Light: The Cosmic Messenger Properties of Light Particle or wave? Light is electromagnetic energy in which the electric and magnetic fields vibrate. Light behaves as both a particle and a wave. Light as a Particle: Photon- discrete bun
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