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ASTRO 101 UW Questions with Detailed Verified
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Quiz: Absolute Magnitude
Ans: the brightness of each star if it were located at a distance of 10 pc
Quiz: Apparent Magnitude
Ans: the brightness of a star as it appears to us in our sky
Quiz: Luminosity
Ans: Intrinsic brightness-- luminosity
Quiz: Universal Law of Gravitation
Ans: (G*M1*M2)/r^2
Quiz: Apparent Brightness Formula
Ans: L/d^2
Quiz: Which apparent magnitude is higher: 1 or 4?
Ans: 1
Quiz: Which luminosity is higher: 1 or 3?
Ans: 3
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, Quiz: What color light is found at lower, longer wavelengths?
Ans: Blue
Quiz: What color light is found at higher, shorter wavelengths?
Ans: Red
Quiz: Hotter stars appear what color?
Ans: Blue
Quiz: Cooler stars appear what color?
Ans: Red
Quiz: As the temperature increases, the peak of the spectrum shifts
toward what type of wavelengths?
Ans: Shorter
Quiz: Where on the H-R Diagram are the hottest stars?
Ans: the left side
Quiz: Where on the H-R diagram are the smallest stars?
Ans: the bottom-left corner
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