Far away in a distant galaxy, there is a beaming face smiling back at us.
Hubble scientists recently discovered this galaxy cluster — massive structures that exert a gravitational pull strong enough to warp the spacetime around them (nbd) — that resembles a face with two bright eyes, a button nose and a smile
See also: 30 Stunning Images of Space
But there is, of course, a reason for this (because science!). The curving image that resembles a grin is an effect called gravitational lensing, which is essentially light bending. Here’s how NASA explains it : Read more…