This episode of the Hubblecast explores the violent world of galactic mergers, as shown by the cosmic duo Arp 142 in a stunning new image from the NASA/ESA Hubble Space Telescope.

Galaxies spend most of their life drifting through the cosmic expanse in isolation. But, every so often, two unfortunate galaxies stray a little too close to one another — as is the case with Arp 142. Showcased in a stunning new image from Hubble, these two galaxies uncannily resemble a penguin guarding its egg. The galaxies are in middle of a violent merger, with clouds of gas and dust colliding at breakneck speeds and triggering bursts of star formation.

More information and download options:
spacetelescope.org/videos/heic1311a/

Credit:

Credit: ESA/Hubble

Directed by: Nicola Guttridge
Visual design and editing: Martin Kornmesser
Written by: Nicola Guttridge
Narration: Joe Liske (Dr J)
Images: ESA/Hubble, NASA,and G. Bacon, L. Frattare, Z. Levay, and F. Summers (Viz 3D Team, STScI)
Music: Toomas Erm
Web and technical support: Mathias Andre and Raquel Yumi Shida
Executive producer: Lars Lindberg Christensen

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