“Anyone not shocked by quantum mechanics has not yet understood it.”
Niels Bohr (7 October 1885 – 18 November 1962)
The Great Wall of China, 1907 by Herbert G. Ponting
IC405 in Ha (Flaming Star Nebula) by swag72 on Flickr.
MergeMosaic_clone by pfile on Flickr.
NGC253 “Silver Dollar galaxy” by J-P Metsavainio on Flickr.
IC405and410_Cross (by J-P Metsavainio)