Word: novas
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Dates: during 1930-1939
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...poor old gold mine in Nova Scotia, abandoned 25 years ago and reopened last winter, collapsed on its owners last week, thus entombing one of Canada's most distinguished surgeons and a rising young Toronto lawyer. Trapped with them was one of their employes. Modest, moon-faced Dr. David Edwin Robertson, 52, surgeon-in-chief of Toronto's Hospital for Sick Children, and his lawyer friend, gangling, bespectacled Herman Russell Magill, 30, last February took a flyer by leasing the Moose River Gold Mine. Last week Dr. Robertson & partner were ready to take the mine's first...
...level, indicating that the three wanted to come up. Seconds later he heard the dread nine bell alarm, meaning DANGER, then a great rumbling roar. The walls of the shaft had buckled, the ground over nearly an acre had dropped several feet. Headed by Premier Angus MacDonald, most of Nova Scotia's Provincial officials rushed to the scene...
...stern, and some spark set off its powder magazine, the result would be something like what happens when a star explodes as a supernova. Supernovae are the mightiest celestial cataclysms known to man. Last week astronomers at Mt. Wilson Observatory in California reported discovery and observation of a super-nova in the distant island universe NGC 4273. Although about a dozen supernovae have been found by chance on photographic plates, the one announced last week was the first since 1901 to be watched during its performance and the second since the invention of the telescope...
...lesser star explosions called novae are fairly common. About 40 have been detected since 1900. Nova Herculis, which blazed up in 1934, attracted much attention because it was only about 1,500 light-years from Earth (TIME, Dec. 31, 1934). At its peak one of the twelve brightest stars in the sky, it offered superb opportunities for spectroscopic examination. Such novae throw off tremendously hot shells of gas, then subside irregularly and gradually to something like their former faintness. On the other hand some astronomers believe that supernovae, which fade rapidly, become "neutron stars"-small, dead, dense lumps of matter...
...Edwin Powell Hubble. Because of its great distance the star never approached naked-eye visibility, faded rapidly in late February. But Dr. Hubble's coworker, Dr. Milton LaSalle Humason, took spectroscopic and photometric observations which indicated that at the peak of its long-ago death agony the super-nova was 50 times as hot and 10,000,000 times as bright...