background brightness
91Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …
92Coronagraph — A coronagraph is a telescopic attachment designed to block out the direct light from a star so that nearby objects – which otherwise would be hidden in the star s bright glare – can be resolved. Most coronagraphs are intended to view the corona… …
93Attribute clash — The effect of attribute clash on MSX 1 systems when using the 256×192 Highres mode of MSX 1 (in this example blocks of 8×8 background pixels share the same color, so the effect is similar to a ZX Spectrum) Attribute clash (also known as color… …
94Flag of Australia — See also: List of Australian flags Flag of Australia Use National flag and state ensign …
95Mars — This article is about the planet. For other uses, see Mars (disambiguation) …
96colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …
97star cluster — Astron. a number of stars of common origin held together as a group by gravitational attraction. Cf. globular cluster, open cluster, stellar association. * * * ▪ astronomy Introduction either of two general types of stellar assemblages held… …
98Shapley , Harlow — (1885–1972) American astronomer Shapley came from a farming background in Nashville, Missouri. He began his career as a crime reporter on the Daily Sun of a small Kansas town when he was 16. He entered the University of Missouri in 1907 intending …
99Color space — A comparison of the chromaticities enclosed by some color spaces. A color model is an abstract mathematical model describing the way colors can be represented as tuples of numbers, typically as three or four values or color components (e.g. RGB… …
100Color temperature — The CIE 1931 x,y chromaticity space, also showing the chromaticities of black body light sources of various temperatures (Planckian locus), and lines of constant correlated color temperature. Color temperature is a characteristic of visible light …
