- velocity-distance law
- velocity-distance law noun (astronomy)The law that the more distant a nebula the greater is its speed of recession• • •Main Entry: ↑velocity
Useful english dictionary. 2012.
Useful english dictionary. 2012.
Velocity-addition formula — In physics, a velocity addition formula is an equation that relates the velocities of moving objects in different reference frames. Contents 1 Galilean addition of velocities 2 Special theory of relativity 3 Derivation … Wikipedia
law — 1. A principle or rule. 2. A statement of fact detailing a sequence or relation of phenomena that is invariable under given conditions. SEE ALSO: principle, rule, theorem. [A.S. lagu] Alexander l. states that a jerky nystagmus becomes worse when… … Medical dictionary
LAW 80 — Infobox Weapon name= LAW 80 caption= origin=flagcountry|United Kingdom type= Rocket propelled grenade (Anti tank) is ranged=yes is UK=yes service=1987–present used by=British Army, Jordan, Oman wars= designer= design date= manufacturer=Hunting… … Wikipedia
Hubble's law — Physical cosmology Universe · Big Bang … Wikipedia
Inverse-square law — In physics, an inverse square law is any physical law stating that some physical quantity or strength is inversely proportional to the square of the distance from the source of that physical quantity. Areas of application In particular the… … Wikipedia
Newton's law of universal gravitation — Classical mechanics Newton s Second Law History of classical mechanics … Wikipedia
Cosmic 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… … Wikipedia
Comoving distance — Physical cosmology Universe · Big Bang … Wikipedia
Escape velocity — In physics, escape velocity is the speed where the kinetic energy of an object is equal to the magnitude of its gravitational potential energy, as calculated by the equation,:U g = frac{ Gm 1m 2}{r}.It is commonly described as the speed needed to … Wikipedia
Biot–Savart law — The Biot–Savart Law is an equation in electromagnetism that describes the magnetic field B generated by an electric current. The vector field B depends on the magnitude, direction, length, and proximity of the electric current, and also on a… … Wikipedia