Lecture 7 - Today in Astro 3 Healthy scones and unhealthy...

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Today in Today in Astro Astro 3 3 z Healthy scones and unhealthy chips are available for the starving (one at a time, please) z Cell phones off now, please z Today: start Chapter 4 “The Solar System” z Online quiz #2 covering chapters 2 and 3 is posted, due next Monday 10 p.m. z Pick up planetarium show/telescope viewing exercise handout (also emailed)
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Summary so far: (E) How the sky looks, how the Sun and planets move in it (CH 1) How early astronomy developed, gravity (CH2) Light- the electromagnetic spectrum (CH3) Telescopes of all types
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Units of Chapter 4 An Inventory of the Solar System Interplanetary Matter The Formation of the Solar System Planets Beyond the Solar System
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4.1 An Inventory of the Solar System
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4.1 An Inventory of the Solar System Early astronomers knew Moon, stars, Mercury, Venus, Mars, Jupiter, Saturn, comets, and meteors Now known : Solar system has 135 moons, one star, nine planets (added Uranus, Neptune, and Pluto), asteroids, comets, and meteoroids
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4.1 An Inventory of the Solar System
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4.1 An Inventory of the Solar System Distance from Sun
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