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Quiz

AS 101 QUIZ 5 answers

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Department
Astronomy
Course
AS101
Professor
Patrick Mc Graw
Semester
Winter

Description
AS 101 QUIZ #5 Answers: CORRECT ANSWERS ARE IN GREEN BOLD Sorry, ignore the red X’s, couldn’t get the out of the formatting. Question 1 1 / 1 point Based on what you have learned, the apparent visual magnitude of a star tells us about: Question options: the amount of visible light energy reaching us on Earth from that star. The total amount of electromagnetic radiation emitted by the star. The apparent size of the star as seen from Earth. The amount of visible light produced by the star. Question 2 1 / 1 point Several stars are listed with their apparent visual magnitudes. Rank them from brightest to dimmest (brightest first) as seen from Earth in visible light. __2__ Deneb: 1.25 __3__ Gamma Ursae Minoris: 3.00 Copula, AKA the Whirlpool Nebula: 8.1 __4__ (Note: this is actually a nebula containing many stars--- the brightest of which has a mgnitude of 8.1.) __1__ Sirius: -1.46 Question 1 / 1 3 point The same stars are listed again with their apparent visual magnitudes. Select the stars that can be seen with the unaided eye. Question options: Sirius -1.46 Deneb 1.25 Gamma Ursae Minoris 3.00 Copula 8.1 Question 4 2 / 2 points In dim light (as outdoors at night) the pupil of the human eye expands t
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