storm effect in the ionosphere
31International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …
32TV and FM DX — TV DX and FM DX is the active search for distant radio or television stations received during unusual atmospheric conditions. The term DX is an old telegraphic term meaning long distance. VHF/UHF television and radio signals are normally limited… …
33Outer space — For other uses, see Outer space (disambiguation). The boundaries between the Earth s surface and outer space, at the Kármán line, 100 km (62 mi) and exosphere at 690 km (430 mi). Not to scale Outer space is the void that exists beyond any… …
34sun — sunlike, adj. /sun/, n., v., sunned, sunning. n. 1. (often cap.) the star that is the central body of the solar system, around which the planets revolve and from which they receive light and heat: its mean distance from the earth is about 93… …
35X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… …
36Solar flare — A solar flare is a violent explosion in a star s (like the Sun s) atmosphere releasing as much energy as 6 times; 1025 Joules.cite journal last=Kopp first=G. coauthors=Lawrence, G and Rottman, G. year=2005… …
37Ring current — A ring current is an electric current carried by charged particles trapped in a planet s magnetosphere. It is caused by the longitudinal drift of energetic (10 ndash;200 keV) particles.Earth s ring currentEarth s ring current is responsible for… …
38Cobra Mist — Location map Cobra Mist was the codename for an Anglo American experimental over the horizon radar station at Orford Ness, Suffolk, England (grid reference …
39Fred Singer — S. Fred Singer Born September 27, 1924 (1924 09 27) (age 87) Vienna, Austria Nationality Austrian, American Education B.E.E electrical engineering (1943) A.M. physics (1944) Ph.D. physics (1948) …
40Color television — Title card for NBC, promoting their broadcast in RCA color . Color television is part of the history of television, the technology of television and practices associated with television s transmission of moving images in color video. In its most… …
