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Everything in the known universe is said to be racing toward the massive clumps of matter at more than 2 million miles (3.2 million kilometers) an hour—a movement the researchers have dubbed dark flow.
The presence of the extra-universal matter suggests that our universe is part of something bigger—a multiverse—and that whatever is out there is very different from the universe we know, according to study leader Alexander Kashlinsky, an astrophysicist at NASA's Goddard Space Flight Center in Maryland. The theory could rewrite the laws of physics. Current models say the known, or visible, universe—which extends as far as light could have traveled since the big bang—is essentially the same as the rest of space-time (the three dimensions of space plus time).
Originally posted by Phage
reply to post by jimmyx
The red shift tells us how fast those galaxies are moving away from us. Different galaxies are moving at different rates, the more distant ones are moving faster.
Originally posted by Phage
reply to post by jimmyx
Though there are "local" variations, in general, everything in the universe is moving away from everything else. The rate of expansion is calculated by measuring the red shift of distant galaxies. The red shift tells us how fast those galaxies are moving away from us. Different galaxies are moving at different rates, the more distant ones are moving faster. The expansion is not planar but 3 dimensional.
The age of the universe is calculated by several means, including the fading background radiation of the universe and the rate of expansion (see above). All of the methods are based on certain (different) assumptions. Though the assumptions could very well be incorrect, the fact that they all arrive a similar solutions is an indication that they are not far off the mark. However...things like dark energy and dark matter (which we know almost nothing about) are messing things up a bit.
Originally posted by Phage
As Anonymous said.
It does seem to be paradoxical but note that I qualified my statement by saying there is variation in the motion on a "local" level. At the (very) large scale everything is moving away. With in the smaller scale of groups and clusters the relative motions of the objects vary.