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Latest Troctolite Stories

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2009-01-20 13:40:00

A small, 4.2 billion-year-old moon rock collected by an astronaut during Apollo 17, the last manned mission to the Moon, provides evidence that the Moon once had a molten core that generated a magnetic field. Harrison Schmitt, Apollo 17's only trained geologist, gathered the rock, known as troctolite 76535, in 1972. Troctolite is a type of rock consisting of the minerals olivine and plagioclase. Considering that lava plains on the Moon's surface suggest a volcanic past that may have lasted...


Word of the Day
glogg
  • Scandinavian punch made of claret and aquavit with spices and raisins and orange peel and sugar.
This word comes from the Swedish 'glogg,' which is an alteration of 'glodgat,' mulled (wine).
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