Word: aldebaran
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Dates: during 1920-1929
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...Charles Greeley Abbot, of the Smithsonian Institution who last Spring made scientific history with his measurements of the sun's heat (TIME, May 5), has now, from the Mt. Wilson observatory, analyzed the heat of nine other great stars-Rigel, Vega, Sirius, Procyon, Capella, Aldebaran, Betelgeuse, Alpha Herculis, Beta Pegasi. He employs the Nichols radiometer, a delicate instrument worked by heat, like the little vanes revolved by sunlight in optician's windows. The stars' light is broken up by the spectroscope into their respective spectra or color bands, the heat in the different parts of which...
Immediately after sundown any clear night there apppears in the southwestern sky near the horizon a star of the first magnitude and of the brilliancy of Aldebaran. This is Beta Ceti, formerly on the outermost reaches of the known stellar system, a second magnitude star of the constellation of the Whale. Eighty years ago it suddenly flared up to double its brightness, a fact that our astronomers have just learned (since Beta Ceti is 80 light-years away...