Word: emit
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...first observed to emit intense radio radiation in 1942. At the end of World War Two the advances in radio receivers were turned to peaceful studies of extra-terrestrial signals. Astronomical radio telescopes were set up to observe solar radio waves at fixed frequencies, recording changes in signal intensity...
...national dialogue over foreign aid that breaks out in the U.S. each spring often takes on some of the qualities of a bad dream. Defenders emit a high-sounding but vague rhetoric. Critics recite nightmarish examples of waste. The two sides seldom even get into communication. Both tend to talk in black and white terms of something that is a complex mixture of pale to dark greys...
...Cygnus, and optical astronomers could find nothing there. At last the Palomar telescope, guided by a new and extremely accurate radio fix, photographed an extraordinary scene that looked like a collision of two enormous galaxies 500 million light-years away. Galaxy collisions are possible, though unlikely, and they might emit radio waves because of churning gases between their hundreds of billions of stars...
Loud Stars. Most true stars in the Milky Way galaxy maintain fair radio silence, but a few of them transmit powerful radio waves that have the astronomers baffled. About half a dozen radio stars have been identified optically, and they prove to emit peculiar assortments of visible light. Astrophysicists are busily studying these spectra, hoping to find some connection between them and the stars' radio loudness...
Happily, this month's Tocsin News Forum shuns the strident, there's no time, brother tone which undergraduate writers on Berlin and disarmament so readily emit...