reddening
11Extinction (astronomy) — Extinction is a term used in astronomy to describe the absorption and scattering of electromagnetic radiation by matter (dust and gas) between an emitting astronomical object and the observer. Interstellar extinction also called Galactic… …
12Red beds — The term red beds usually refers to strata of reddish colored sedimentary rocks such as sandstone, siltstone or shale that were deposited in hot climates under oxidizing conditions. [http://www.ac.wwu.edu/ babcock/v2 1.html] The red color comes… …
13Redshift — This article is about the astronomical phenomenon. For other uses, see Redshift (disambiguation). Physical cosmology …
14Color–color diagram — In astronomy, color–color diagrams are a means of comparing the apparent magnitudes of stars at different wavelengths. Astronomers typically observe at narrow bands around certain wavelengths, and objects observed will have different brightnesses …
15Cygnus X-1 — For other uses, see Cygnus X 1 (disambiguation). HDE 226868 HDE 226868 (not shown) is located next to the star η (lower center) in this map of constellation Cygnus …
16NGC 7142 — Observation data Constellation Cepheus Right ascension 21h 45m 9s[1] …
17List of go games — This is a list of famous games of go. Blood vomiting GameThe blood vomiting game (Japanese: 吐血の一局) was played during the Edo period of Japan, on June 27 1835 between Honinbo Jowa (white) and Intetsu Akaboshi (black). It is noted for the three… …
18radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
19rubefacient — 1. Causing a reddening of the skin. 2. A counterirritant that produces erythema when applied to the skin surface. [L. rubi facio, fr. ruber, red, + facio, to make] * * * ru·be·fa·cient .rü bə fā shənt adj causing redness of the skin <a… …
20Rayleigh scattering — This article is about the optical phenomenon. For the magnetic phenomenon, see Rayleigh law. For the stochastic distribution, see Rayleigh distribution. For the wireless multipath propagation model, see Rayleigh fading. Rayleigh scattering causes …
