X-rays from deep space help track down the universe's missing matter

Although it makes up everything we see and touch on a daily basis, ordinary (or baryonic) matter is relatively rare in the universe, and weirder still there seems to be a huge chunk of it missing. After 20 years of scouring the sky, astronomers using the ESA’s XMM-Newton observatory have now found clues to this missing matter hiding in intergalactic gas…
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Category: Physics


Dark Matter







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