El Gordo

This video shows a close-up of the galaxy cluster ACT-CL J0102−4915 nicknamed El Gordo—the “big” or “fat one” in Spanish. It consists of two separate galaxy sub clusters about 7 billion light-years from Earth that are colliding at several million kilometres per hour. The animation was put together using images taken by ESO’s Very Large Telescope and from the SOAR Telescope along with 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. 

Video Credit: ESO / SOAR / NASA

5 thoughts on “El Gordo

  1. Tis better to be Gordo and not Flaco.

    *** Nota Bene: The opinion expressed is solely that of Paul H. Lemmen and the posting of the contents of this comment does not imply agreement with or approval of this comment nor does it’s use convey any responsibility or ownership upon the blog owner.

  2. Pingback: Epic Space Photos of the Week (March 28-April 4)Big Online News | Big Online News

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