reflector layer
111Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …
112Sputnik 1 — Infobox Spacecraft Name = Sputnik 1 Спутник 1 Organization = Council of Ministers of the USSR Major Contractors = OKB 1, Soviet Ministry of Radiotechnical Industry Mission Type = Atmospheric studies Satellite Of = Earth Launch = October 4, 1957,… …
113Solar sail — Solar sails (also called light sails or photon sails, especially when they use light sources other than the Sun) are a proposed form of spacecraft propulsion using large membrane mirrors. Radiation pressure is about 10 5 Pa at Earth s distance… …
114Tidal acceleration — is an effect of the tidal forces between an orbiting natural satellite ( i.e. a moon), and the planet (called the primary) that it orbits. It causes a gradual recession of a satellite in a prograde orbit away from the primary, and a corresponding …
115Hubble Space Telescope — Infobox Space telescope name = Hubble Space Telescope (HST) caption = The Hubble Space Telescope as seen from Space Shuttle Discovery during its second servicing mission (STS 82) organization = NASAESASTScI alt names = nssdc id =… …
116Pluto — This article is about the dwarf planet. For other uses, see Pluto (disambiguation). Pluto   …
117Stardust (spacecraft) — Infobox Spacecraft Name = Stardust Caption = Artist s conception of the Stardust spacecraft Organization = NASA Jet Propulsion Laboratory Major Contractors = Lockheed Martin Mission Type = Fly by, sample collection Satellite Of = Sun Orbital… …
118Deep Space Network — This article is about the deep space communication network of JPL and NASA. For the network of low cost interplanetary trajectories, see Interplanetary Transport Network. Deep Space Network …
119Stealth technology — also known as LOT (Low Observability Technology) is a sub discipline of military electronic countermeasures which covers a range of techniques used with aircraft, ships and missiles, in order to make them less visible (ideally invisible) to radar …
120Extremely low frequency — (ELF) is the band of radio frequencies from 3 to 30 Hz. ELF was used by the US Navy and Soviet/Russian Navy to communicate with submerged submarines.ExplanationBecause of the electrical conductivity of salt water, submarines are shielded from… …
