Month: February 2022

Artist's impression of a magnetar

Pythagorean Astronomy: Radio Repeater

Posted on 7 February 2022 by Chris North

When a mysterious signal was found by an undergraduate student, Dr Natasha Hurley-Walker was perplexed. It was hiding in archival data from the Murchison Widefield Array (MWA), a large network of radio antennas in Western Australia. Based at the International Centre for Radio Astronomy Research, Natasha started to loop deeper. Repeating every 18 minutes, and
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