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Views: (1418) Date: (05-09-09) Time: (01:56:07) |
Description: of Natural History. Filippenko discusses observations of very distant exploding starts called super-novae that provide intriguing evidence that the expansion of the universe is now speeding up. Over the largest scales of space, the universe seems to be dominated by a repulsive "dark energy" of unknown origin, stretching the very fabric of space itself faster and faster with time. Series: "Voices" [1/2008] [Science] [Show ID: 13184] originally posted here: www.youtube.com ... alex Filippenko ...