#In Spirit of ‘Star Trek,’ Hubble Explores Ancient Galaxy Cluster | Video

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.

from Space.com ift.tt/29R3JcB

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