Energetic 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… … Wikipedia
Atom — The atom is the smallest unit of an element that retains the chemical properties of that element. An atom has an electron cloud consisting of negatively charged electrons surrounding a dense nucleus. The nucleus contains positively charged… … Wikipedia
Neutral Beam Injection — In order to initiate a sustained fusion reaction, it is usually necessary to use many methods to heat the plasma, including RF heating, electron cyclotron resonance heating (ECRH), ion cyclotron resonance heating (ICRH), and neutral beam… … Wikipedia
TWINS — This article is about the NASA instruments. For other uses of Twins , see Twins (disambiguation). TWINS Operator NASA Instrument Type … Wikipedia
Astrid (satellites) — Infobox Spacecraft Name = Astrid 1 Caption = Astrid 1. Organization = Swedish National Space Board Major Contractors = Swedish Space Corporation Mission Type = Orbiter Satellite Of = Earth Orbital Insertion Date = Launch = January 24, 1995 (03:54 … Wikipedia
Mercury's magnetic field — Magnetosphere of Mercury Graph showing relative strength of Mercury s magnetic field. Discovery[1] … Wikipedia
Interstellar Boundary Explorer — The Interstellar Boundary Explorer (IBEX) is a NASA satellite that will make the first map of the boundary between the Solar System and interstellar space. The mission is part of NASA s Small Explorer program. IBEX will be launched on a Pegasus… … Wikipedia
Атмосфера Титана — Полуосвещенный вид северного полюса Титана … Википедия
Ena — or ENA may refer to:Organizations* École nationale d administration, a school where many of France s senior officials are instructed * Energy Networks Association, a trade association representing natural gas and electricity companies in the… … Wikipedia
Compton–Getting effect — Not to be confused with Compton effect. The Compton–Getting effect is an apparent anisotropy in the intensity of radiation or particles due to the relative motion between the observer and the source. This effect was first identified in the… … Wikipedia
radiation — 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… … Universalium