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Only Two Possibilities

Only Two Possibilities

The right side of the image is compressed from the Hubble Ultra Deep Field, which captured over 10,000 galaxies in an arbitrary portion of the sky 1/10 the apparent diameter of a full moon. Each of those galaxies includes several hundred billion suns.

"Two possibilities exist - Either we are alone in the Universe or we are not." Arthur C. Clarke

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Photo taken on 12 August 2013 (© zachstern / Flickr)

Related tags :
 cosmology, astronomy, arthur c clarke, galaxies, hubble, hubble ultra deep field, hudf, space, telescope, universe, sky, wallpaper
 

Arthur C Clarke Photos