atmospheric correction factor
81Voyager program — This article is about the unmanned space probes of the 1970s. For other uses, see Voyager. The trajectories that enabled Voyager spacecraft to visit the outer planets and achieve velocity to escape our solar system The Voyager program is a U.S… …
82Very Large Telescope — VLT redirects here. For other uses, see VLT (disambiguation). Very Large Telescope The four Unit Telescopes that form the VLT together with th …
83Orbital mechanics — A satellite orbiting the earth has a tangential velocity and an inward acceleration. Orbital mechanics or astrodynamics is the application of ballistics and celestial mechanics to the practical problems concerning the motion of rockets and other… …
84Antenna (radio) — Whip antenna on car …
85Force — For other uses, see Force (disambiguation). See also: Forcing (disambiguation) Forces are also described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate …
86Scientific method — …
87Total organic carbon — (TOC) is the amount of carbon bound in an organic compound and is often used as a non specific indicator of water quality or cleanliness of pharmaceutical manufacturing equipment. A typical analysis for TOC measures both the total carbon present… …
88CALENDAR — (Heb. לוּחַ, lu aḥ). The present Jewish calendar is lunisolar, the months being reckoned according to the moon and the years according to the sun. A month is the period of time between one conjunction of the moon with the sun and the next. The… …
89Beer-Lambert law — In optics, the Beer–Lambert law, also known as Beer s law or the Lambert–Beer law or the Beer–Lambert–Bouguer law (in fact, most of the permutations of these three names appear somewhere in literature) is an empirical relationship that relates… …
90Red — This article is about the color. For other uses, see Red (disambiguation). Red   Spectral coordinates  Wavelength 620–740 …
