ARP 142 NGC2936 Hubble (marsbymars)

ARP 142 NGC2936 Hubble

Link: https://hubblesite.org/image/3195/gallery/19-interacting-galaxies

ARP 142 NGC2936 Hubble

Link: https://hubblesite.org/image/3195/gallery/19-interacting-galaxies

This interacting galaxy duo is collectively called Arp 142. The pair contains the disturbed, star-forming spiral galaxy NGC 2936, along with its elliptical companion, NGC 2937 at lower left.

Once part of a flat, spiral disk, the orbits of the galaxy's stars have become scrambled due to gravitational tidal interactions with the other galaxy. This warps the galaxy's orderly spiral, and interstellar gas is strewn out into giant tails like stretched taffy.

Gas and dust drawn from the heart of NGC 2936 becomes compressed during the encounter, which in turn triggers star formation. These bluish knots are visible along the distorted arms that are closest to the companion elliptical. The reddish dust, once within the galaxy, has been thrown out of the galaxy's plane and into dark veins that are silhouetted against the bright starlight from what is left of the nucleus and disk.

Composite of Wide Field Camera 3 photos taken in blue-green, yellow-red, and near-infrared light, processed in Pixinsight

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Status	Basic failed
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Astrometry.net job	3664145
PixInsight job	n/a
PixInsight queue size	n/a
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ARP 142 NGC2936 Hubble

ARP 142 NGC2936 Hubble

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