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The year in ideas; dark energy
Gravity should halt the expansion of the universe but a few years ago a study of supernovae showed that in fact cosmic expansion is speeding up. To explain this, cosmologists have postulated that a strange, repulsive force, which they call dark energy, is at work, counteracting gravity and pushing g...
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| Lenguaje: | eng |
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2002
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| Acceso en línea: | http://cds.cern.ch/record/717404 |