Ray Norris

Articles by: Ray Norris

illustration

Astronomers have detected one of the biggest black hole jets in the sky

By Luke Barnes, Miroslav Filipovic, Ray Norris, Velibor Velović published

Spanning more than a million light years from end to end, the jet shoots away from a black hole with enormous energy, and at almost the speed of light.

dark energy survey

'Dancing ghosts': A new, deeper scan of the sky throws up surprises for astronomers

By Ray Norris published

Scanning through data fresh off the telescope, we saw two ghosts dancing deep in the cosmos.

The ghostly ORC1 (blue/green fuzz), on a backdrop of the galaxies at optical wavelengths. There’s an orange galaxy at the centre of the ORC, but we don’t know whether it’s part of the ORC, or just a chance coincidence.

Ghostly circles in the sky can't be explained. And astronomers are excited.

By Ray Norris published

Ghostly circles of radio emission, hanging out in space like cosmic smoke-rings, can't be explained by current theories. And astronomers are excited to figure them out.

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