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Hubble view of green filament in galaxy UGC 7342

Hubble view of green filament in galaxy UGC 7342


Date: 02 April 2015
Satellite: Hubble Space Telescope
Depicts: UGC 7342
Copyright: NASA, ESA, W. Keel (University of Alabama, USA)

This new NASA/ESA Hubble Space Telescope image shows ghostly green filaments, lying within galaxy UGC 7342. This filament was illuminated by a blast of radiation from a quasar – a very luminous and compact region that surrounds the supermassive black hole at the centre of its host galaxy.

Its bright green hue is a result of ionised oxygen, which glows brightly at green wavelengths.

Last Update: 1 September 2019
11-Jul-2020 08:31 UT

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