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El Gordo: a massive distant merging galaxy cluster

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This video shows the distant merging galaxy cluster ACT-CL J0102−4915. It combines images taken with ESO’s Very Large Telescope with images from the SOAR Telescope and X-ray observations from NASA’s Chandra X-ray Observatory. The X-ray image shows the hot gas in the cluster and is shown in blue. This newly discovered galaxy cluster has been nicknamed El Gordo — the "big" or "fat one" in Spanish. It consists of two separate galaxy subclusters colliding at several million kilometres per hour, and is so far away that its light has travelled for seven billion years to reach the Earth.

Credit:

ESO/SOAR/NASA

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About the Video

Id:eso1203b
Release date:10 January 2012, 17:00
Related releases:eso1203
Duration:28s

About the Object

Name:ACT-CL J0102-4915
Type:• Early Universe : Galaxy : Grouping : Cluster
• X - Galaxy Clusters

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