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RADIO ASTRONOMY: 25 550–25 650 RADIO ASTRONOMY: 37.5–38.25 MHz FIXED MOBILE Radio astronomy: 322–328.6 FIXED MOBILE RADIO ASTRONOMY: 406.1–410 FIXED MOBILE except aeronautical mobile RADIO ASTRONOMY: 1 400–1 427 EARTH EXPLORATION-SATELLITE (passive) RADIO ASTRONOMY SPACE RESEARCH (passive) 1 610.6–1 613.8
Radiophysics (also modern writing radio physics [1]) is a branch of physics focused on the theoretical and experimental study of certain kinds of radiation, its emission, propagation and interaction with matter. The term is used in the following major meanings: study of radio waves (the original area of research) study of radiation used in ...
An astronomical radio object is classified as a ROCOS if it possesses (a) an optical image with stellar appearance, which is identified with a radio source, and (b) no emission or absorption features in its optical spectrum, except for those due to galactic interstellar medium, with a signal-to-noise ratio at the level of those observable for quasar candidates. [1]
Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. [1] [2] As one of the founders of the discipline, James Keeler, said, astrophysics "seeks to ascertain the nature of the heavenly bodies, rather than their positions or motions in space—what they are, rather than where they are", [3] which is studied ...
Observation of the Sun at radio wavelengths, in particular of the solar corona, has been a long-standing focus of the RATAN-600's scientific programme. It has also contributed to radio observation for the SETI project. The RATAN-600 has not been dogged by the technical problems of the neighbouring BTA-6.
العربية; Azərbaycanca; বাংলা; Беларуская; Беларуская (тарашкевіца) Български; Català; Čeština
FSRQ – (celestial object) Flat Spectrum Radio Quasars; FTL – (astrophysics terminology) faster than light; FUOR – (celestial object) FU Orionis objects, a class of variable pre–main sequence stars named after FU Orionis, the archetype for the class. also FU; FUSE – (telescope) Far Ultraviolet Spectroscopic Explorer, an ultraviolet ...
The Serbian Wikipedia (Serbian: Википедија на српском језику, Vikipedija na srpskom jeziku) is the Serbian-language version of the free online encyclopedia Wikipedia. Created on 16 February 2003, it reached its 100,000th article on 20 November 2009 before getting to another milestone with the 200,000th article on 6 July ...