哈勃太空望远镜
A massive, spacetime-warping cluster of galaxies swarms this week's new #HubbleFriday view!
Called Abell 209, this galaxy cluster is a whopping 2.8 billion light-years away.
The huge mass of Abell 209 leads to an effect called gravitational lensing, seen as the curved, streaky galaxies within the cluster's golden glow.
This happens because Abell 209's mass is powerful enough to warp spacetime, which magnifies and distorts the light traveling to Hubble from galaxies located behind the cluster.
For more information, check out the link in our bio!
Image description: A cluster of distant, mainly elliptical galaxies. They appear as brightly shining points radiating golden light that each take the shape of a smooth, featureless oval. They crowd around one that is extremely large and bright. A few spiral galaxies of comparable size appear too, bluer in color and with unique shapes. Of the other more small and distant galaxies covering the scene, a few are warped into long lines.
Image credit: ESA/Hubble & NASA, M. Postman, P. Kelly
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