Word: pohle
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...flurry of recent findings has provided a clearer understanding of the Milky Way than ever before. Just a few weeks before Reid's announcement, Martin Pohl, an associate professor of physics and astronomy at Iowa State University, revealed the most detailed map to date of the galaxy's spiral arms. Pohl's map establishes that there are two symmetric arms in the inner part of the galaxy that branch off into four - answering a question that astrophysicists have grappled with for 50 years. (According to Pohl, our solar system is located near one of the branching-off points, about...
...been likened to describing the town you're in when you've never ventured beyond the confines of your bedroom. In 1958, Jan Oort became the first to map the galaxy, by assessing the strength of neutral atomic hydrogen gas, a widespread component of the Milky Way. Pohl created his map using a kinetic model of the galaxy's gas flow, which was developed by Peter Engelmeier of the University of Zurich and Nicolai Bissantz of Ruhr University in Bochum, Germany, based on infrared data collected by a NASA satellite. Unlike visible light, infrared light penetrates dust clouds...
...Pohl's map is the first to take into account the entirety of the Milky Way, including its elusive inner galaxy, which is "really complicated and weird," Pohl says, because of the gravitational pull of a large bar of matter located at the center; the map will be particularly useful to a research group in France that has been studying dark matter, which, as Reid's team has established, the Milky Way has a lot more of than previous studies had revealed. Dark matter, so called because it gives off little or no light, is one of the most abundant...
Frederik G. Pohl, co-author of “The Last Theorem,” met Clarke in 1950. The two science fiction writers remained friends and collaborators until Clarke’s death. “When we were writing ‘The Last Theorem,’ [Clarke] was ill, and progressively more so,” Pohl says. “But it was a pleasure anyway...
Clarke was one of few science fiction writers whose work was widely appreciated in literary circles. “What he wrote was classical science fiction,” Pohl says. “It was just that he did it better than almost anyone else.” Clarke’s work earned him a knighthood and two Nobel Prize nominations, among various other awards and honors...