Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN: 9780134746241
Author: Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher: PEARSON
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**How much more luminous is the Sun viewed from Earth than from Uranus, 19.2 AU away?**

\[
\frac{L_{\text{Sun from Earth}}}{L_{\text{Sun from Uranus}}} = \underline{\hspace{2cm}}
\]

This equation asks us to compare the luminosity of the Sun as seen from Earth to that seen from Uranus, where "AU" stands for Astronomical Unit, the average distance from the Earth to the Sun. The calculation involves observing how the intensity of sunlight diminishes with distance, given that Uranus is 19.2 times farther from the Sun than Earth is.
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Transcribed Image Text:**How much more luminous is the Sun viewed from Earth than from Uranus, 19.2 AU away?** \[ \frac{L_{\text{Sun from Earth}}}{L_{\text{Sun from Uranus}}} = \underline{\hspace{2cm}} \] This equation asks us to compare the luminosity of the Sun as seen from Earth to that seen from Uranus, where "AU" stands for Astronomical Unit, the average distance from the Earth to the Sun. The calculation involves observing how the intensity of sunlight diminishes with distance, given that Uranus is 19.2 times farther from the Sun than Earth is.
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