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Local exoplanet revealed to be sizzling hot
The solar energy hitting planet HAT-P-7b reaches 3400 times that of Earth 鈥� surface temperatures may climb to 2460 掳C
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The solar energy hitting planet HAT-P-7b reaches 3400 times that of Earth 鈥� surface temperatures may climb to 2460 掳C
Past messages sent into outer space may have been too boring to earn a reply, say people trying to compose more compelling greetings