The Atlantic Photo su Twitter: "Day 5 of the 2017 Hubble Space Telescope Advent Calendar: Peering Into Pandora's Cluster. This image of giant galaxy cluster Abell 2744 came from Hubble's Frontier Fields
Buy Pandora's Cluster 2 by Susan Goethel Campbell | Printed Editions
Abell 2744 Pandora's Cluster Credit: NASA/Hubble, Color/Effects thedemon-hauntedworld | Nasa hubble, Astronomy, Cosmos space
Pandora's cluster (VLT view) | ESO
Pandora's Cluster — Hubble view of Abell 2744 | ESO
Frontier Fields | Pushing the Limits of the Hubble Space Telescope | Page 7