Search Results: Authors starting with L from BICKERSTAFF'S BOOKS, MAPS &C.

Important Lunar Mapping at the Start of the Space RaceThe space race between the U.S. and Russia began in the late 1950s as an outgrowth of the Cold War. One result of the 1957 launch of Sputnik I by the Soviet Union was the sparking on an interest in lunar geology by Arnold Mason of the Military Geology Branch of the U.S. Geological Survey. Using earth-based telescopic imagery, Arnold and colleagues would devote two years to producing the three landmark maps of the moon included in the Engineer Special Study of the Surface of the Moon. The three maps are:* Generalized Photogeologic Map (Sheet 1) – "the first major lunar map to show stratigraphic relationships: that is, it attempted to display the chronological order of the formation of the moon's surface features."* Lunar Rays (Sheet 2) – which "plotted the source craters and extent of the moon's most prominent ray systems " (ejecta from asteroid crashes on the moon's surface). * "Physiographic Divisions of the Moon (Sheet 3) – which "applied… Read More