.... Although there are now 18 known FRBs, one FRB named FRB 121102, discovered in November 2012 at the Arecibo Observatory in Puerto Rico, has recurred numerous times. By switching from a single dish telescope to the Karl G. Jansky Very...
... still had the shape and alignment that we expected." Follow-up observations were also conducted with the Arecibo Observatory in Puerto Rico, which has the most powerful astronomical radar system on Earth, to help track the spacecraft...