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An Audacious Explanation for Fast Radio Bursts

Avi Loeb: If the FRB source is not a neutron star, then there is another interesting possibility: its companion could be a sunlike star. An orbital period of 157 days around the sun would mimic a planet with an orbital radius that is halfway between Venus and Mercury. If the FRB source emits a pair of beams in opposite directions, 157 days would correspond to half of the orbital period — in which case the orbital radius would be similar to that of the Earth around the sun. This is an intriguing regime, consistent with the FRB signal originating from a transmitter produced by a technological civilization based on a planet in the habitable zone around a sunlike star.

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