Monday, August 11, 2025

Astronomers Detect Most Distant Fast Radio Burst Ever

The galaxy found to be hosting FRB 2020304B. The top left image shows the field of view surrounding the observation region, with the NIRcam footprint shown on the right. The square shows the NIRSpec IFS observation footprint, and the most likely position of FRB 2020304B shown as a green cross surrounded by the localisation uncertainty (white circle). The middle images show, from left to right, the author’s NIRCam observations, Oxygen III data from NIRSpec, Hydrogen alpha data from NIRSpec, and a white light image from NIRSpec. The bottom panel shows the spectrum (black line) and its uncertainties (shaded region) of the host galaxy (Credit : South African Radio Astronomy Observatory)

Astronomers have detected a fast radio burst (FRB) from when the Universe was just 3 billion years old, a remarkable achievement that opens new windows into the early universe and the mysterious phenomena that shaped it.



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