While the frequency of the signal was predicted, scientists were surprised by the strength of the signal, and the discovery has been hailed as important as the detection of gravitational waves.
It could also completely revolutionize our understanding about dark matter, the invisible structure that makes up the bulk of our universe today, according to astronomers.
Antony Schinckel, a scientist with the Australian research organization CSIRO, who oversaw the development of Murchison Observatory, lauded the discovery of the signal as "an absolute triumph."
"A triumph made possible by the extreme attention to detail by Judd's team, combined with the exceptional radio quietness of the CSIRO site," Schinckel said in a statement.
"This is one of the most technically challenging radio astronomy experiments ever attempted. The lead authors include two of the best radio astronomy experimentalists in the world and they have gone to great lengths to design and calibrate their equipment in order to have convincing evidence for a real signal," Schinckel said.
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