topics-midterm - retrograde motion orbital geometry Keplers...

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Astro 109: Topics Here is a list of topics we have discussed, from the “key concepts” slides in class. This is not meant to be a complete list of material that might appear on the midterm exam. Rather, it is just supposed to remind you of some things we have studied. The chapter summaries serve a similar purpose. Chapter 1: “Astronomy and the Universe” astronomy is a physical science astronomy is a quantitative science angles, angular size units power-of-10 notation Chapter 2: “Knowing the Heavens” motion of Sun, Moon, stars Earth’s tilt terminology: zenith, meridian, celestial equator, ecliptic, equinox, solstice time keeping Chapter 3: “Eclipses and the Motion of the Moon” how we see the Moon eclipses the ancient Greeks were clever Chapter 4: “Gravitation and the Waltz of the Planets” geocentric and heliocentric models
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Unformatted text preview: retrograde motion orbital geometry Keplers laws of planetary motion: 1. orbits are conic sections 2. equal areas in equal times / angular momentum 3. P 2 a 3 universality of Keplers laws Newtons laws of motion: 1 1. inertia 2. F = ma 3. action/reaction Newtons law of gravity: F = Gm 1 m 2 /r 2 circular motion, orbits tidal forces Chapter 5: The Nature of Light light is electromagnetic radiation hot things glow color temperature emission line and absorption line spectra atomic structure spectral lines composition of a gas Doppler eect Chapter 6: Optics and Telescopes refracting and reecting telescopes angular resolution: diraction, atmospheric blurring observing at dierent wavelengths telescopes in space 2...
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This note was uploaded on 09/15/2011 for the course PHYSICS 109 taught by Professor Staff during the Spring '08 term at Rutgers.

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topics-midterm - retrograde motion orbital geometry Keplers...

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