BBC Sky at Night

Q&A WITH A RADIO ASTRONOMER

Strange radio signals beaming out from the centre of the Milky Way are unlike anything that astronomers have detected before

How did you first uncover the signal?

We discovered this source in early 2020, by using the Australian Square Kilometre Array Pathfinder (ASKAP) telescope, located in Western Australia. Our survey – Variables and Slow Transits (VAST) – is designed to discover radio sources that turn on and off or vary

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