5 Mysteries of The Universe

Via anna_i

Written by Michael Brooks

Dark matter ring in galaxy cluster Cl 0024+17. Some 96% of the universe is dark energy or dark matter. Photograph: Johns Hopkins University/Esa/Nasa

Even today, there are scientific phenomena that defy explanation. If history is anything to go by, resolving these anomalies could lead to a great leap forward, so what are the greatest mysteries, and what scientific revolutions might they bring?

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