Astronomers using a 2.0-m-diameter telescope observe a distant supernova−an exploding star. The telescope's detector records 7.9 × 10−11 J of light energy during the first 10 s. It's known that this type of supernova has a visible-light power output of 4.5 × 1037 W for the first 10 s of the explosion.How distant is the supernova? Give your answer in light years, where one light year is the distance light travels in one year. The speed of light is 3.0 × 108 m/s.
Astronomers using a 2.0-m-diameter telescope observe a distant supernova−an exploding star. The telescope's detector records 7.9 × 10−11 J of light energy during the first 10 s. It's known that this type of supernova has a visible-light power output of 4.5 × 1037 W for the first 10 s of the explosion.How distant is the supernova? Give your answer in light years, where one light year is the distance light travels in one year. The speed of light is 3.0 × 108 m/s.
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter13: Universal Gravitation
Section: Chapter Questions
Problem 13.2OQ: Rank the following quantities of energy from largest to smallest. State if any are equal. (a) the...
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Astronomers using a 2.0-m-diameter telescope observe a distant supernova−an exploding star. The telescope's detector records 7.9 × 10−11 J of light energy during the first 10 s. It's known that this type of supernova has a visible-light power output of 4.5 × 1037 W for the first 10 s of the explosion.How distant is the supernova? Give your answer in light years, where one light year is the distance light travels in one year. The speed of light is 3.0 × 108 m/s.
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