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42 Mind-Blowing Photos Of Space From The Hubble Telescope

The strikingly unusual planetary nebula, NGC 6751. Glowing in the constellation Aquila like a giant eye, the nebula is a cloud of gas ejected several thousand years ago from the hot star visible in its center.

The mathematical/geometric structure called E8, some scientists now believe, might constitute the deepest structure of reality -- it is a contender with string theory as a universal "theory of everything". Whether E8 turns out to be it or not, it is an incredibly beautiful structure -- here it is, painstakingly built with thread anchored to pins (each of the 248 pins is a different sub-atomic particle, with 22 of them as yet unobserved).

It's official: the Sun is the most perfect natural sphere ever measured

The Earth is not round, but the Sun — contrary to long-standing scientific belief — is a different story.

SNOWDECAHEDRON! Photograph by Sushiesque Spotted at Porter Square in Cambridge, Massachusetts on January via Sushiesque on Flickr Every day at the Sifter will post the picture of the day PLEASE CLICK HERE TO SEE ALL 'PICTURES OF THE DAY' ...