Considering that Earth experiences an average intensity of sunlight of 1330 W/m? and is at a distance from the Sun of 1.0 AU = 150 million km, and considering that that the apparent magnitude of the Sun as seen from Earth is m = -26.7, (a) then how far from the Sun would a distant Kuiper- belt world need to be in order for the apparent magnitude of the Sun to be m = -11.0 as seen on that world? Give your answer in AU. (b) What would be the orbital period of this world? Give your answer in Earth years.
Considering that Earth experiences an average intensity of sunlight of 1330 W/m? and is at a distance from the Sun of 1.0 AU = 150 million km, and considering that that the apparent magnitude of the Sun as seen from Earth is m = -26.7, (a) then how far from the Sun would a distant Kuiper- belt world need to be in order for the apparent magnitude of the Sun to be m = -11.0 as seen on that world? Give your answer in AU. (b) What would be the orbital period of this world? Give your answer in Earth years.
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Transcribed Image Text:Considering that Earth experiences an average intensity of
sunlight of 1330 W/m? and is at a distance from the Sun of
1.0 AU = 150 million km, and considering that that the
apparent magnitude of the Sun as seen from Earth is m =
-26.7, (a) then how far from the Sun would a distant Kuiper-
belt world need to be in order for the apparent magnitude of
the Sun to be m = -11.0 as seen on that world? Give your
answer in AU. (b) What would be the orbital period of this
world? Give your answer in Earth years.
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