The constellation Aquarius, 1603.

Tycho Brahe's observatory at Stjerneborg, Hven, 1584.

Perkin’s original mauve dye, 1856.

COBE's View of the Milky Way

Aftermath of the German occupation of Czechoslovakia - 6-October-1938

'Exterior of North fort on Peiho River...', China, 21 August 1860.

Window-Curtain Structure of the Orion Nebula Revealed by NASA's Hubble Space Telescope