Astronomy

The first colour image, captured by a CMV20000 sensor, to be sent back by the hazard cameras on the Perseverance rover after its landing on Mars on 18 February. Credit: NASA/JPL-Caltech

The sensor stories behind the Mars Perseverance images

Greg Blackman speaks to Guy Meynants, formerly of Cmosis, and Paul Jerram, of Teledyne e2v, about the history of the image sensors onboard the Mars rover

Surveying the sky

Tom Eddershaw on the imaging equipment observing our skies, both from Earth and space, including the imagers onboard the Rosetta Philae lander

One billion pixels, one billion stars

From the ESA Gaia mission to survey one billion stars, which is due to launch this month, to photographing the sun, Greg Blackman looks at some of the imaging technology used in astronomy

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