by 
Chris
ANSWERS: 6
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about the same as dark antimatter or dark energy
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Its a lot heavier than light matter:)))))))
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several universitys are debating this issue, the common vote is to weigh it using the wattsa scale - the downside to this is labeling the winner,,,,,,,,,,,wait for it,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,Wattsa Matter U.........
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The astronomers used the lens images, as well as the distances to each galaxy, to calculate the nearer galaxies' masses. Their true-mass measurements, combined with previous dynamical measurements, show that the relationship between dynamical and actual masses does not vary like the mass and luminosity one does. So the higher mass-to-light ratio appears to be the right answer. There's still much to debate, Bolton cautions. The results don't explain what the extra mass is. It could be that there's a larger fraction of dark matter to regular matter in these galaxies. The stars themselves might also have a higher mass-to-light ratio. Regards.
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a lot
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The same as matter, except there is alot more of it, around 80percent of our Universe is made up of this strange stuff, we can prove it's exsistance, we just can't see it.
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