Deep-space flashes light up a new face of Nature

CSIRO’s Parkes radio telescope has detected brief flashes of radio emission from the distant Universe. Their origin is unknown.

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Abstract painting on a deep blue background, featuring a central pale blue circle with radiating white dotted lines connecting to multiple smaller circular forms. The surrounding circles vary in size and colour, with concentric dot patterns, creating a starburst-like composition across the canvas.

Congratulations FLASH

The illustration shows a pulsar (red sphere) and its strong magnetic field (yellow lines). As the stellar remnant rotates, narrow beams of radio waves (cones) from its poles sweep across the sky and become detectable as regular signals for observers on Earth. The new study suggests that beams may also arise from a region farther out along a 'current sheet'.

Radio signals from the edge of extreme stars

Neutron Star
pulsar

A woman is silhouetted against a bright screen covered in points of light and the image of a telescope dish. She is pointing at the screen.

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July 17, 2013

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