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Physics, 01.10.2019 21:00 YunoGasai34
Consider a civilization broadcasting a signal with a power of 1.2×104 watts. the arecibo radio telescope, which is about 300 meters in diameter, could detect this signal if it is coming from as far away as 110 light-years. suppose instead that the signal is being broadcast from the other side of the milky way galaxy, about 7 light-years away.
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Consider a civilization broadcasting a signal with a power of 1.2×104 watts. the arecibo radio teles...
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