mishatolin223 mishatolin223

09-05-2024
Physics

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The star Arcturus on 1 cm 2 of the Earth's surface, perpendicular to its rays, sends for
minute 26.88·10 -11 J. The parallax of the star is 0".08, and the radius is 26 times larger than the sun.
Determine the temperature of Arcturus.

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