Abell S1063, a galaxy cluster, was observed by the NASA/ESA Hubble Space Telescope as part of the Frontier Fields programme. The huge mass of the cluster acts as a cosmic magnifying glass and enlarges even more distant galaxies, so they become bright enough for Hubble to see - more details on <a rel="nofollow" class="external free" href="https://sci.esa.int/web/hubble/-/58092-space-the-final-frontier-heic1615">https://sci.esa.int/web/hubble/-/58092-space-the-final-frontier-heic1615</a>
Hubble Space Telescope - NASA, ESA, and J. Lotz (STScI)
2016-07-21 16:00:00
<a rel="nofollow" class="external free" href="https://cdn.spacetelescope.org/archives/images/screen/heic1615a.jpg">https://cdn.spacetelescope.org/archives/images/screen/heic1615a.jpg</a>