radiation pattern anomaly
51Brown dwarf — Brown dwarfs are sub stellar objects which are too low in mass to sustain hydrogen 1 fusion reactions in their cores, which is characteristic of stars on the main sequence. Brown dwarfs have fully convective surfaces and interiors, with no… …
52Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …
53French Polynesia — a French overseas territory in the S Pacific, including the Society Islands, Marquesas Islands, and other scattered island groups. 119,168; 1544 sq. mi. (4000 sq. km). Cap.: Papeete. Formerly, French Oceania. * * * French Polynesia Introduction… …
54Introduction to gauge theory — This article is an accessible, non technical introduction to the subject. For the main encyclopedia article, see Gauge theory. Quantum field theory …
55Felidae — For other uses, see Felidae (disambiguation). Felids[1] Temporal range: 25–0 Ma …
56Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… …
57Neptune — This article is about the planet. For other uses, see Neptune (disambiguation). Neptune   …
58Devonian Period — Interval of geologic time from 417 to 354 million years ago; it was the fourth period of the Paleozoic Era. During the Devonian, a giant continent was situated in the Southern Hemisphere (see Gondwana), and other landmasses were located in the… …
59cardiovascular disease — Introduction any of the diseases, whether congenital or acquired, of the heart and blood vessels (blood vessel). Among the most important are atherosclerosis, rheumatic heart disease, and vascular inflammation. Cardiovascular diseases are a …
60Sirius — B redirects here. For other uses of Sirius, see Sirius (disambiguation). For other uses of Sirius B, see Sirius B (disambiguation). Sirius A / B …
