Tuesday / November 13.
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A lot of galaxies need guarding

Like the quirky characters in the upcoming film Guardians of the Galaxy Vol. 2, the Hubble Space Telescope has some amazing superpowers, specifically when it comes to observing galaxies across time and space. One stunning example is galaxy cluster Abell 370, which contains a vast assortment of several hundred galaxies tied together by the mutual pull of gravity. That’s a lot of galaxies to be guarding, and just in this one cluster!

(via WSJ)