By looking at light from distant exploding stars called supernovas, in 1998 astronomers discovered the universe isn’t just expanding—its expansion is speeding up. But what’s behind this acceleration?
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By looking at light from distant exploding stars called supernovas, in 1998 astronomers discovered the universe isn’t just expanding—its expansion is speeding up. But what’s behind this acceleration?
![[Aggregator] Downloaded image for imported item #67689](https://astrobitica.com/wp-content/uploads/2026/07/scientists-discover-ra.jpg)
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