velocity doppler limit
51Wind — For other uses, see Wind (disambiguation). Wind, from the …
52.408 Chey Tac — Infobox Firearm Cartridge name= .408 Cheyenne Tactical caption= origin= USA type= Rifle service= used by= wars= designer= John Taylor and William O. Wordman design date=2001 manufacturer=Chey Tac production date=2001 ndash;present number=… …
53IK Pegasi — Starbox begin name=IK Pegasi Starbox image caption=Location of IK Pegasi. Starbox observe epoch=J2000 ra=RA|21|26|26.6624cite web title=SIMBAD Query Result: HD 204188 Spectroscopic binary publisher=Centre de Données astronomiques de Strasbourg… …
54Synchrotron radiation — This article concerns the physical phenomenon of synchrotron radiation. For details on the production of this radiation and applications in laboratories, see Synchrotron light source. The electromagnetic radiation emitted when charged particles… …
55Cosmic distance ladder — * Light green boxes: Technique applicable to star forming galaxies. * Light blue boxes: Technique applicable to Population II galaxies. * Light Purple boxes: Geometric distance technique. * Light Red box: The planetary nebula luminosity function… …
5647 Ursae Majoris b — Planetbox begin name = 47 Ursae Majoris bPlanetbox image caption = An artist s impression of 47 Ursae Majoris b.Planetbox star star = 47 Ursae Majoris constell = Ursa Major RA = RA|10|59|28.0 DEC = DEC|+40|25|49 dist ly = 45.9 dist pc = 14.1… …
57galaxy — /gal euhk see/, n., pl. galaxies. 1. Astron. a. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. b. (usually cap.) See Milky Way. 2. any large and brilliant or impressive… …
58Gliese 876 b — Planetbox begin name=Gliese 876 bPlanetbox image caption = An artist s impression of Gliese 876b.Planetbox star star = Gliese 876 constell = Aquarius RA = RA|22|53|16.73 DEC = DEC|−14|15|49.3 dist ly = 15.3 dist pc = 4.7 class = M3.5VPlanetbox… …
59Malmquist bias — For other uses of Malmquist, see Malmquist (disambiguation). The Malmquist bias refers to an effect in observational astronomy which leads to the preferential detection of intrinsically bright objects. It was first popularized in 1922 by Swedish… …
60Rayleigh fading — is a statistical model for the effect of a propagation environment on a radio signal, such as that used by wireless devices.Rayleigh fading models assume that the magnitude of a signal that has passed through such a transmission medium (also… …
