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A_Quiz04(Fa07)

A_Quiz04(Fa07) - SURVEY OF ASTRONOMY 806 243 Quiz Score/10...

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S URVEY OF A STRONOMY 806 –243 Name: _________________________ Quiz Score: /10 = _______% Section: _________________________ ASTRONOMY 806-243 QUIZ 4 ________ 1. Vega is a blue star. Antares is a red star. Which is hotter? a) Vega b) Antares c) They are same temperature d) Impossible to tell from the given information ________ 2. Rigel has an apparent magnitude of +0.1. Deneb has an apparent magnitude of +1.25. Sirius has an apparent magnitude of –1.5. Which star appears brightest in our sky? a) Rigel b) Deneb c) Sirius d) They all appear the same brightness. e) Impossible to tell from the given information. ________ 3. Star A has a parallax of 0.03 arcseconds. Star B has a parallax of 0.15 arcseconds. Which star is closer? a) Star A b) Star B c) They are the same distance. d) Impossible to determine from the given information. ________ 4. _________ is a change in the frequency of a wave (light or sound) due to the relative motion of the source towards or away from the observer. a)
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A_Quiz04(Fa07) - SURVEY OF ASTRONOMY 806 243 Quiz Score/10...

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