In Spirit of 'Star Trek,' Hubble Explores Ancient Galaxy Cluster | Video
Thursday, July 21, 2016 - 09:21
in Astronomy & Space
The Hubble Space Telescope was used to observe galaxy cluster Abell S1063, as it was 4 billion years ago. The phenomenon of 'gravitational lensing' seen in the image is created by the cluster's huge mass and reveals light from galaxies far beyond it.