Posted by **kamal** on Wednesday, June 27, 2012 at 8:36am.

The quantity of radiation received by earth

from the sun is 1.4 kW / m2. Assuming that

sun is an ideal radiator, calculate the surface

temperature of the sun. The ratio of the

radius of earth's orbit to the radius of the

sun is 216.

- earth -
**Anonymous**, Tuesday, January 10, 2017 at 6:53am
5825

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