Comments on: FRB’s and light sails. https://habitablezone.com/2017/03/10/frbs-and-light-sails/ Tue, 07 Apr 2026 19:18:10 -0700 hourly 1 http://wordpress.org/?v=3.3.1 By: hank https://habitablezone.com/2017/03/10/frbs-and-light-sails/#comment-38560 hank Sat, 11 Mar 2017 01:03:06 +0000 https://www.habitablezone.com/?p=62659#comment-38560 There is an excellent Wikipedia article on FRBs https://en.wikipedia.org/wiki/Fast_radio_burst Over a dozen of these events have been detected over the last few years, too many for them to be of artificial origin (IMO, but who knows?) It seems unlikely that many extragalactic travelers are using this form of propulsion, spread out over so much space and time, and we are detecting the artifacts, But right now, the light sail explanation is as good as any. OTOH, I am comforted by the idea that astronomers still include ETI in their speculations. If we ever do find THEM, it will probably be through something like this. There is an excellent Wikipedia article on FRBs

https://en.wikipedia.org/wiki/Fast_radio_burst

Over a dozen of these events have been detected over the last few years, too many for them to be of artificial origin (IMO, but who knows?) It seems unlikely that many extragalactic travelers are using this form of propulsion, spread out over so much space and time, and we are detecting the artifacts, But right now, the light sail explanation is as good as any.

OTOH, I am comforted by the idea that astronomers still include ETI in their speculations. If we ever do find THEM, it will probably be through something like this.

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