relativistic doppler effect
31light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …
32Synchrotron radiation — This article concerns the physical phenomenon of synchrotron radiation. For details on the production of this radiation and applications in laboratories, see Synchrotron light source. The electromagnetic radiation emitted when charged particles… …
33Pound-Rebka experiment — The Pound Rebka experiment is a well known experiment to test Albert Einstein s theory of general relativity. It was proposed by Robert Pound and G. A. Rebka Jr. in 1959, [cite journal|last=Pound| first=R. V.| coauthors = Rebka Jr. G. A. |… …
34Hubble's law — Physical cosmology Universe · Big Bang …
35Lorentz ether theory — What is now called Lorentz Ether theory ( LET ) has its roots in Hendrik Lorentz s Theory of electrons , which was the final point in the development of the classical aether theories at the end of the 19th and at the beginning of the 20th century …
36Blue shift — is the shortening of a transmitted signal s wavelength, and/or an increase in its frequency, due to the Doppler Effect, which indicates that the object is moving toward the observer. The name comes from the fact that the shorter wavelength end of …
37Tired light — is a class of hypothetical redshift mechanisms that were proposed as an alternative explanation for the redshift distance relationship as alternatives to the Big Bang and the Steady State cosmologies, both of which proposed that Hubble s law was… …
38Stefan Marinov — Infobox Scientist name = Stefan Marinov |250px image width = 250px caption = birth date = birth date|1931|2|1|mf=y birth place = Sofia, Bulgaria death date = death date and age|1997|7|15|1931|2|1|mf=y death place = Graz, Austria residence =… …
39Cygnus X-1 — For other uses, see Cygnus X 1 (disambiguation). HDE 226868 HDE 226868 (not shown) is located next to the star η (lower center) in this map of constellation Cygnus …
40galaxy — /gal euhk see/, n., pl. galaxies. 1. Astron. a. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. b. (usually cap.) See Milky Way. 2. any large and brilliant or impressive… …
