exam1_review

exam1_review - AST 103 Midterm 1 Review Exam is 3/3/08 in...

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AST 103 Midterm 1 Review Exam is 3/3/08 in class Exam is closed book/closed notes. Formulas will be provided. Bring a No. 2 pencil for the exam and a photo ID. Calculators are OK, but will not be needed. There will be 50 multiple-choice questions. There will be a review session Thursday Oct 18 in class. The best way to prepare for the exam is to study (in order of priority): 1) The lecture notes 2) The homework 3) The Figures in the book 4) The rest of the book Topics include (but are not limited to): Part one: Astronomical Framework a) Cosmic Landscape: Scale, units, scientific method Angular measure; altitude, azimuth, and meridian; Celestial sphere, daily apparent motion of sky; The ecliptic, seasons, equinoxes and solstices. Phases of the moon, lunar and solar eclipses. Motions of the planets: direct and retrograde motion, inferior and superior planets; Geometric models: relative size of earth, moon, sun and earths orbit; geocentric and heliocentric models of solar system; epicycles; Kepler's Laws: ellipses, focus. Physical models: classical mechanics (velocity, acceleration, force, mass); Newton's Laws of motion; Gravity, angular momentum. Orbits and "weightlessness". b) Probing matter, Light and Their Interactions: Light, matter and energy Thermal radiation, black-body radiators Wien’s Law, Stephan-Boltzmann law Spectroscopy: atomic absorption and emission lines; Telescopes: light-gathering; Reflecting vs. refracting telescopes. Advantages of CCD’s Clicker questions: 1)Why is it impossible to prove a theory?
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a) A theory is not a fact. Only facts can be proven. b) A theory is only supported by observations, a single contrary observation can disprove it. c) Theories can be proven! Once it is proven it is called a fact. d) It is not possible for humans to observe everything about the universe, if they could they could prove a theory. 2) Why is the moon so cratered, while the Earth is not? a) The Moon is older and hence hasn’t been impacted as much. b) The Moon protects the Earth from meteors since it’s orbit surrounds the Earth. c) The Earth has an atmosphere which protects it against smaller meteors. d) The Earth has erosion which hides the evidence of impacts. e) The Earth does have as many craters, we just don’t see them due to oceans and plants. 3) If the Earth was to be magically stopped in it’s rotation and spin in the opposite direction what would you observe? a) The stars would rise in the east and set in the west while the sun would rise in the west and set in the east. b) The sun would rise in the east and set in the west while the stars would rise in
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This note was uploaded on 03/27/2008 for the course ASTRO 103 taught by Professor Sheinis during the Spring '08 term at Wisconsin.

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exam1_review - AST 103 Midterm 1 Review Exam is 3/3/08 in...

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