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The arcs around the two galaxies in the centre of this Hubble image are caused by the light from galaxies behind the galaxy cluster in the centre being bent by the gravity of the cluster. This is gravitational lensing.
@evilscientistca [Joking] Or it could be a face of God looking at us and smiling.
Huge if true.
@kmicu Though I'm more a fan of the astrophysical explanation in terms of coolness... 😉
