- binary radio source
- двойной радиоисточник
English-russian dictionary of physics. 2013.
English-russian dictionary of physics. 2013.
radio and radar astronomy — Study of celestial bodies by measuring the energy they emit or reflect at radio wavelengths. It began in 1931 with Karl Jansky s discovery of radio waves from an extraterrestrial source. After 1945, huge dish antennas, improved receivers and data … Universalium
Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… … Wikipedia
Radio clock — A radio clock is a clock that is synchronized by a time code bit stream transmitted by a radio transmitter connected to a time standard such as an atomic clock. Such a clock may be synchronized to the time sent by a single transmitter, such as… … Wikipedia
X-shaped radio galaxy — X shaped (or winged ) radio galaxies are a class of extragalactic radio source that exhibit two, low surface brightness radio lobes (the wings ) oriented at an angle to the active, or high surface brightness, lobes. Both sets of lobes pass… … Wikipedia
X-ray binary — Artist s impression of an X ray Binary X ray binaries are a class of binary stars that are luminous in X rays. The X rays are produced by matter falling from one component, called the donor (usually a relatively normal star) to the other… … Wikipedia
X-ray source — ▪ astronomy in astronomy, any of a class of cosmic objects that emit radiation at X ray wavelength. Because the Earth s atmosphere absorbs X rays (X ray) very efficiently, X ray telescopes and detectors must be carried high above it by… … Universalium
List of free and open source software packages — This article is about software free to be modified and distributed. For examples of software free in the monetary sense, see List of freeware. This is a list of free and open source software packages: computer software licensed under free… … Wikipedia
Open source — This article is about the production and development model. For its application to software, see Open source software. For the form of intelligence collection management, see Open source intelligence. For other uses, see Open source… … Wikipedia
Today (BBC Radio 4) — Today Logo Other names Today programme Genre News, current events, and factual Running time Weekdays: 06.00 09.00 Saturday … Wikipedia
star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… … Universalium
List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general … Wikipedia