One of the stunning mysteries of Space, as gripping as blackholes, Fast Radio Bursts are once again in contact with us. The famous signal revived recently, called FRB 121102, was first caught by the world's largest single radio telescopeAperture Spherical Radio Telescope (FAST) in China back in 2012. 

There have been a bunch of repeating bursts recorded so far, however, FRB 121102 is one special signal recorded with a correctly estimated circle.

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