About half the normal matter in our universe had never been observed – until now. Two teams have finally seen it by combining millions of faint images into one.
You have probably heard about the hunt for dark matter, a mysterious substance thought to permeate the universe, the effects of which we can see through its gravitational pull. But our models of the universe also say there should be about twice as much ordinary matter out there, compared with what we have observed so far.
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At www.newscientist.com
At www.newscientist.com
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