Define radio source. radio source synonyms, radio source pronunciation, radio source translation, English dictionary definition of radio source. n a celestial object, such as a supernova remnant or quasar, that is a source of radio waves Collins English
Reports on the discovery of a fluctuating source of radio waves that could be close to the center of the galaxy. Outlook for it to reveal new information about the Milky Way's core; Use of the Very Large Array (VLA) radio telescope near Socorro, New Mexico; Intensity of radio emissions;...
radio wavesspectrastarsTHE flux densities of 35 non-thermal radio sources were measured at 8,000 Mc/s (位 3.75 cm) with the University of Michigan's 85-ft. reflector. Comparison of these measurements with the spectra of the sources at frequencies less than 3,200 Mc/s (ref. 1) showed ...
Fast radio bursts (FRBs) are flashes of unknown physical origin1. The majority of FRBs have been seen only once, although some are known to generate multiple flashes2,3. Many models invoke magnetically powered neutron stars (magnetars) as the source of the emission4,5. Recently, the discove...
A broadband source such as the Sun emits electromagnetic radiation throughout most of the electromagnetic spectrum, from radio waves to gamma rays, though most of its radiant energy is concentrated within the visible portion of the spectrum. ...
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We noted the appearance of weak intensity fluctuations during the interval 17:00 to 19:00 UT when the Sun, the comet's nucleus and the radio source were accurately aligned. We interpret this behaviour as the result of diffraction of radio waves by electron-density irregularities in the plasma...
8.A point removed in time:At a distance of 11 years, his memory of the crime was blurry. 9.The full period or length of a contest or game:The challenger had never attempted the distance of 12 rounds. 10.An amount of progress:The curriculum committee is a distance from where it was ...
英语翻译The vacuum tube,invented near the beginning of our century,gave us the use of radio waves,an energy source never before captured,and later opened the road for television.
radio wavesstarsx radiationRECENT radio observations of the Crab Nebula1–3 have demonstrated the existence of a component of small angular diameter which contributes a significant fraction of the total flux density at frequencies of less than about 100 Mc/s. The high brightness temperature deduced ...