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Question 1 (1 point) Which of the following is closest to the light flux coming from a star at a distance of 20 parsecs and having the same luminosity as the Sun? X 10-11 Watts per square meter 2 X 10 10 Watts per square meter 7 X 10-10 Watts per square meter 3 X 10 Watts per square meter 1 X 10-8 Watts per square meter astronomy

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1 6 Liahw Plux s un 2. 3.9시。

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