What is the accepted explanation for the Wow! signal? A) One-time radiative burst B) Rotating light-house event, similar to a pulsar (i.e., a fast rotating neutron star) C) Artificial signal; extraterrestrial origin D) None available

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However, I will give you a start.

The ‘Wow!’ signal itself was detected by Ehman at 1420MHz, which is a radio frequency that hydrogen naturally emits. He published his idea at the beginning of this year.