Scientists have used a powerful radio telescope to detect the remnants of a supernova explosion that took place 9,000 years ago.
And because it's moving so fast, it's slamming into the space around it and gathering up all of the material that was lying around the star."Typically when they explode they're very, very bright for a few days and then they get dimmer and dimmer and dimmer," she said.
She and her colleagues have been using Western Australia's Murchison Widefield Array radio telescope to hunt for them, as part of the Galactic and Extragalactic All-sky MWA survey or GLEAM. And due to the MWA's wide bandwidth — it maps the sky using radio waves between 72 and 231 megahertz — the researchers were able to see the sky in radio colour.
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