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6 points in class we described the intrinsic spectrum

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Unformatted text preview: ete the problem. (a) If the grain is 1 AU from the Sun, what is its equilibrium temperature? (b) What is the radiation ­induced force on the grain? How does it compare to the gravitational attraction by the Sun? Can the grain be bound to the Solar System? #3. Absorption of the CMB by Dust. [6 points] In class we described the intrinsic spectrum of the dust, and approximated its low ­frequency behavior by a modified blackbody, jν ∝ ν β Bν (Td ) ....
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