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Astronomy Picture of the Day_Cape Breton_Nova Scotia

11 Dec

Cape Breton Home of our Hearts

Cape Breton, Nova Scotia is the No. 1 island destination in Canada and continental United States, according to Travel and Leisure magazine’s 2011 World’s Best Awards

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Meteorsearch_harvey_900

Searching for Meteorites in Antarctica
Image Credit & Copyright: Ralph P. Harvey (CWRU), Antarctic Search for Meteorites Program, NASA, NSF

Explanation: Where is the best place on Earth to find meteorites? Although meteors fall all over the world, they usually just sink to the bottom of an ocean, are buried by shifting terrain, or are easily confused with terrestrial rocks. At the bottom of the Earth, however, in East Antarctica, huge sheets of blue ice remain pure and barren. When traversing such a sheet, a dark rock will stick out. These rocks have a high probability of being true meteorites — likely pieces of another world. An explosion or impact might have catapulted these meteorites from the Moon, Mars, or even an asteroid, yielding valuable information about these distant worlds and our early Solar System. Small teams of snowmobiling explorers so far have found thousands. Pictured above, ice-trekkers search a field 25-kilometers in front of Otway Massif in the Transantarctic Mountain Range during the Antarctic summer of 1995-1996. The week marks the 100th anniversary of humans first reaching the Earth’s South Pole.

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Posted by on 11/12/2011 in Uncategorized

 

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