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The Earth receives energy from the Sun at the rate of 1.4 kW/m . A sister...

The Earth receives energy from the Sun at the rate of 1.4 kW/m . A sister planet orbits a star at the same distance as the Earth’s distance from the Sun. If the sister planet’s star has a temperature 2.1 times that of the Sun’s temperature, what is the rate that the sister planet receives energy from its sun？
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