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Krauss, in his article in the Feb 2008 SciAm magazine stated:
" Two different groups of astronomers traced the expansion of the universe over the past five billion years and found that it appears to be speeding up. The source of this cosmic antigravity is thought to be some new form of “dark energy” associated with empty space. The acceleration of the universe implies that empty space contains almost three times as much energy as all the cosmic structures we observe today: galaxies, clusters and superclusters of galaxies. "
Could it be that forces outside our observable universe are acting on things inside our observable universe in such a way as to cause this acceleration, rather than some expanding "dark energy" inside our observable universe?
Frank
" Two different groups of astronomers traced the expansion of the universe over the past five billion years and found that it appears to be speeding up. The source of this cosmic antigravity is thought to be some new form of “dark energy” associated with empty space. The acceleration of the universe implies that empty space contains almost three times as much energy as all the cosmic structures we observe today: galaxies, clusters and superclusters of galaxies. "
Could it be that forces outside our observable universe are acting on things inside our observable universe in such a way as to cause this acceleration, rather than some expanding "dark energy" inside our observable universe?
Frank