doppler-shifted frequency
21Huygens probe — Infobox Spacecraft Name = Huygens probe Caption = A scale replica of the probe, 1.3 metres across. Organization = ESA/ASI/NASA Major Contractors = Aérospatiale, now Thales Alenia Space Mission Type = Lander Satellite Of = Saturn Launch = December …
22ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… …
23Madison Symmetric Torus — Infobox Magnetic Fusion Device name = Madison Symmetric Torus dev type=Reversed field pinch loc=Madison, Wisconsin, USA rad maj = 1.50 m rad min = 52 cm aspect = 2.88|The Madison Symmetric Torus (MST) is a reversed field pinch (RFP) physics… …
24tornado — tornadic /tawr nad ik, nay dik/, adj. tornadolike, adj. /tawr nay doh/, n., pl. tornadoes, tornados. 1. a localized, violently destructive windstorm occurring over land, esp. in the Middle West, and characterized by a long, funnel shaped cloud… …
25Acousto-optic modulator — An acousto optic modulator (AOM), also called a Bragg cell, uses the acousto optic effect to diffract and shift the frequency of light using sound waves (usually at radio frequency). They are used in lasers for Q switching, telecommunications for …
26geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… …
27MISTRAM — Missile Trajectory Measurement System. MISTRAM (MISsile TRAjectory Measurement) was a high resolution tracking system used by the United States Air Force (and later NASA) to provide highly detailed trajectory analysis of rocket launches. A… …
28Unruh effect — The Unruh effect (or sometimes Fulling–Davies–Unruh effect), was first described by Stephen Fulling in 1973, Paul Davies in 1975 and Bill Unruh in 1976.[1][2][3] It is the prediction that an accelerating observer will observe black body radiation …
29Ammonia — For other uses, see Ammonia (disambiguation). Ammonia …
30Relativistic beaming — Doppler beaming redirects here. For other uses named for Christian Doppler, see Doppler (disambiguation). Only a single jet is visible in M87. Two jets are visib …
