Word: iii
(lookup in dictionary)
(lookup stats)
Dates: during 1950-1959
Sort By: most recent first
(reverse)
...Emrich, William H. Fitzhugh, George R. Sprague, Edward B. Segel, T. Carter Hagaman, and Jonathan G. Macy; from Dunster House, James F. Flug, Roger F. Dashen, Stephen R. Crespin, Daniel A. Pollack, Peter J. Solomon, James K. Hurd, Jr., and Patrick R. Liles; from Eliot House, Harlow Russell, III, Chauncey L. Walker, John J. Schenefield, Stefan D. Abrams, Philippe M. Charat, Richard C. Marcus, David F. Hurwitt, James D. Lorenz, Grenville T. Emmet, and David L. Cappiello...
Explorer II splashed into the Atlantic early in March, but Explorer III was launched successfully on March 26. It contained a modified version of Ludwig's tape recorder-an amazing little instrument full of tiny, glittering parts that weighed only 8 oz. If it worked, it would gush out in five seconds all the cosmic-ray data from an entire orbit...
...began negotiating to get his instruments into the projected moon probes. When in the fall of 1958 Pioneer I rose to 71,000 miles and fell back, Van Allen had his instruments aboard. But for once, they did not work well. Pioneer II flopped, but in December Pioneer III carried his instruments up to 63,000 miles, broadcasting...
From Pioneer III, Van Allen discovered that there are not one but two radiation belts, with a low-intensity slot between them. Studying the tapes, he concluded that the outer belt is made of weaker particles, presumably protons and electrons that come from the sun. At its outer edges, it curves downward in "horns" that hit the atmosphere near the magnetic poles. These horns were what produced the northern lights...
...Channel III, a Geiger tube, records higher rates of radiation, is designed to take over when Channel I is swamped. Here its square-topped waves are indicating about 4,000 counts per second, enough to kill a man exposed to them in a matter of days...