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Hubblecast 60: Galaxy scores a bullseye

Episode 60 of the Hubblecast explores NGC 922, a galaxy that has been hit square-on by another. Ripples of star-formation are still propagating out across thousands of light-years of space over 300 million years after the collision, making it a prime example of what astronomers call a collisional ring galaxy.More information and download-options:http://www.spacetelescope.org/videos/heic1218a/Credit:ESA/HubbleVisual design and editing: Martin KornmesserWeb and technical support: Mathias Andre and Raquel Yumi ShidaWritten by: Oli UsherNarrator: Sara Mendes da CostaImages: NASA, ESA, Chandra X-ray Observatory, Digitized Sky Survey 2Visualisations and animations: B. Conn (MPIA), R. Smith (University of Concepcin), R. Taylor (Arecibo Observatory); M. KornmesserMusic: Toomas ErmDirected by: Oli UsherExecutive producer: Lars Lindberg Christensen



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