Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 12, Problem 11Q
To determine
The definitions for white ovals and brown ovals and interpretation that can be drawn from the infrared observations.
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The Sun's luminosity of 3.84x1026W
Chapter 12 Solutions
Universe
Ch. 12 - Prob. 1CCCh. 12 - Prob. 2CCCh. 12 - Prob. 3CCCh. 12 - Prob. 4CCCh. 12 - Prob. 5CCCh. 12 - Prob. 6CCCh. 12 - Prob. 7CCCh. 12 - Prob. 8CCCh. 12 - Prob. 9CCCh. 12 - Prob. 10CC
Ch. 12 - Prob. 11CCCh. 12 - Prob. 1QCh. 12 - Prob. 2QCh. 12 - Prob. 3QCh. 12 - Prob. 4QCh. 12 - Prob. 5QCh. 12 - Prob. 6QCh. 12 - Prob. 7QCh. 12 - Prob. 8QCh. 12 - Prob. 9QCh. 12 - Prob. 10QCh. 12 - Prob. 11QCh. 12 - Prob. 12QCh. 12 - Prob. 13QCh. 12 - Prob. 14QCh. 12 - Prob. 15QCh. 12 - Prob. 16QCh. 12 - Prob. 17QCh. 12 - Prob. 18QCh. 12 - Prob. 19QCh. 12 - Prob. 20QCh. 12 - Prob. 21QCh. 12 - Prob. 22QCh. 12 - Prob. 23QCh. 12 - Prob. 24QCh. 12 - Prob. 25QCh. 12 - Prob. 26QCh. 12 - Prob. 27QCh. 12 - Prob. 28QCh. 12 - Prob. 29QCh. 12 - Prob. 30QCh. 12 - Prob. 31QCh. 12 - Prob. 33QCh. 12 - Prob. 34QCh. 12 - Prob. 35QCh. 12 - Prob. 36QCh. 12 - Prob. 37QCh. 12 - Prob. 38QCh. 12 - Prob. 39QCh. 12 - Prob. 40QCh. 12 - Prob. 41QCh. 12 - Prob. 42QCh. 12 - Prob. 43QCh. 12 - Prob. 44QCh. 12 - Prob. 45QCh. 12 - Prob. 46QCh. 12 - Prob. 47QCh. 12 - Prob. 48QCh. 12 - Prob. 49QCh. 12 - Prob. 50QCh. 12 - Prob. 51QCh. 12 - Prob. 52QCh. 12 - Prob. 53QCh. 12 - Prob. 54QCh. 12 - Prob. 55QCh. 12 - Prob. 56QCh. 12 - Prob. 57QCh. 12 - Prob. 58QCh. 12 - Prob. 59Q
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- Earth orbits 1 AU from the Sun, and the Oort cloud extends from about 10,000 to 100,000 AU from the Sun. If you represent Earths orbit around the Sun with a paper plate 4 inches in radius, how far away will the inner edge of the Oort Cloud be? The outer edge? Express your answers in miles.arrow_forwardCalculate the total amount of radiative energy per second intercepted by Mars from the Sun using the flux of radiation from the Sun at Mars' orbital radius. Flux of radiation from the Sun at Mars' orbital radius is 597 W m-2. The luminosity of the Sun Ls = 3.8×1026 W. Mars orbits at a distance of 2.25×1011 m (1.5 AU) from the Sun. Note: Consider carefully the cross-sectional area Mars presents to the outwards flow of radiative energy when answering this question.arrow_forward1arrow_forward
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- Using a 8-m reflector telescope on Mars, what is the maximum distance we could measure using stellar parallax?arrow_forwardWhy is it difficult to observe at infrared wavelengths? What do astronomers do to address this difficulty?arrow_forwardVenus can be as bright as apparent magnitude 4.7 when at a distance of about 1 AU. How many times fainter would Venus look from a distance of 1 pc? What would its apparent magnitude be? Assume Venus has the same illumination phase from your new vantage point. (Hints: Recall the inverse square law, Section 9-2a; also, review the definition of apparent visual magnitudes, Chapter 2.) (Note: 1 pc = 2.1 105 AU.)arrow_forward
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