South African Scientists Claim Discovery of First Comet Strike

South African researchers say they have found conclusive evidence of earth's first-ever known comet strike, about 28 million years ago. The researchers say this exciting find in rural Egypt could unlock more secrets of the universe.    South African academics say the evidence they've found indicates the comet hit the earth some 28 million years ago - in a desert in western Egypt.   The bits of glassy black rock left at the scene - which scientists say are comet fragments ...

© La Voix de l'Amérique - lundi 21 octobre 2013