scattered sky radiation
41Venus — This article is about the planet. For other uses, see Venus (disambiguation). Venus   …
42colour — /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 …
43Atmosphere of Earth — Air redirects here. For other uses, see Air (disambiguation). Qualities of air redirects here. It is not to be confused with Air quality …
44Open cluster — Galactic cluster redirects here. See also galaxy groups and clusters NGC 265, an open star cluster in the Small Magellanic Cloud An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud and… …
45Climate of the Arctic — The climate of the Arctic is characterized by long, cold winters and short, cool summers. There is a large amount of variability in climate across the Arctic, but all regions experience extremes of solar radiation in both summer and winter. Some… …
46Energetic neutral atom — ENAs redirects here. For other uses, see Enas (disambiguation). Neutral Atom Imaging redirects here. For other uses, see Atom (disambiguation). ENA images of the fluctuation of Earth s ring current during July 15–16, 2000 geomagnetic storm made… …
47Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …
48Neptune — This article is about the planet. For other uses, see Neptune (disambiguation). Neptune   …
49sunlight — /sun luyt /, n. the light of the sun; sunshine. [1175 1225; ME sonneliht. See SUN, LIGHT1] * * * ▪ solar radiation also called sunshine solar radiation that is visible at the Earth s surface. The amount of sunlight is dependent on the… …
50Coronagraph — 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… …
