Word: fainter
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Dates: during 1960-1969
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...also observed that "blue giants-massive, hot stars-are fainter in the ultraviolet than the rest of the main sequence stars" (Main sequence stars are middle-aged stars such as the sun). This second result can be explained by the structure of the blue giants. Davis said, but the reason for the brightness...
...spectrum of these frequencies. Furthermore, by building radio telescopes on the back side of the moon, astronomers will be able to escape completely from the radio interference caused by earth's increasingly electronic civilization. Without the background "noise" to contend with, radio astronomers will be able to detect much fainter radiation from space, perhaps even the weak signals of a distant civilization...
...mention one of our (or anybody's!) most extraordinary examples of patient scientific research. After the discoveries of Uranus and Neptune in 1781 and 1846 it was suspected, because of small irregularities in the motions of these distant wanderers, that there was still another, even fainter, planet. Astronomers calculated a probable orbit, and in March 1929 young Clyde Tombaugh took up the search. He examined scores of telescopic photographs, each showing tens of thousands of star images, in pairs under the blink comparator, or dual microscope. It often took three days to scan a single pair. It was exhausting...
...light they give is blue. While studying quasars with the Palomar telescope, Sandage got interested in the blue stars, and he found that a number of them seemed to be "interlopers" among the quasars. Those closest to earth, he discovered, are the familiar blue stars. But some of those fainter than 14.5 magnitude are remarkably similar to quasars. When photographed with blue filters, they show an excess of ultraviolet energy, which is a characteristic of quasars...
...sympathetically synchronizing every heartbeat in the house with his. This gift is greatly evident in Fiddler on the Roof, a pleasantly nostalgic musical of Jewish community life in a tiny Russian village just prior to the abortive 1905 revolution. But for Zero, Fiddler's heartbeat would be considerably fainter...