Lecture 5

Lecture 5 - Test Today's class Candy bars are available for...

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Test: Today Test: Today s class: s class: z Candy bars are available for the starving (one at a time, please) z Cell phones off now, please z Today: finish off Chapter 3 “Telescopes” z My office hours today are 2:30-3:30 p.m. (ending a bit early) in Knudsen 4-107E z Online quiz #2 covering chapters 2 and 3 is posted, due next Monday 10 p.m. z Planetarium show/telescope viewing exercise: Í Will email today
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Summary so far of Chapter 3 Refracting telescopes make images with a lens Reflecting telescopes make images with a mirror Modern research telescopes are all reflectors CCDs are used for data collection Star image with telescope: Small Medium Big “Resolution is inversely proportional to mirror diameter” Large telescopes gather much more light, allowing study of very faint sources Large telescopes also have better resolution Earth-based telescopes suffer from blurring by earth’s atmosphere
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3.3 High-Resolution Astronomy Atmospheric blurring : due to air movements
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3.3 High-Resolution Astronomy
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This note was uploaded on 04/16/2008 for the course ASTR 3 taught by Professor Hauser during the Fall '07 term at UCLA.

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Lecture 5 - Test Today's class Candy bars are available for...

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