SETI, the Search for Extraterrestrial Intelligence, listens…
SETI, the Search for Extraterrestrial Intelligence, listens to a range of frequencies referred to as the Water Hole. Hydrogen atoms have the lowest frequency within the Water Hole at 1420 MHz. What is the wavelength for this frequency? The speed of light is 3.00 x 108 m/s. prefix M=106
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