The word white continues Old English hwīt, ultimately from a Common Germanic *χ ītaz also reflected in OHG (h)wîz, ON hvítr, Goth. ƕeits. The root is ultimately from Proto-Indo-European language *k id-, surviving also in … 展开

White was one of the first colors used in art. The Lascaux Cave in France contains drawings of bulls and other animals drawn by paleolithic artists between 18,000 and 17,000 years ago. Paleolithic artists used calcite… 展开

Light is perceived by the human visual system as white when the incoming light to the eye stimulates all three types of color sensitive cone cells in the eye in roughly equal amounts. Materials that do not emit light themselves … 展开

A white dwarf is a stellar remnant composed mostly of electron-degenerate matter. They are very dense; a white dwarf's mass is comparable to that of the Sun and its volume is comparable to that of the Earth. Its faint … 展开

• Statuette of the goddess Astarte.
• Thousands of pilgrims in white gather in Mecca for the beginning of their pilgrimage, or Hajj.
• Pope Francis at the Vatican. Popes have traditionally worn white since 1566. … 展开