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GJ 523B

Scientists found a ‘Mega-Earth’ 2.5 times the size of Earth with a core 23 times its mass; but it didn’t develop the massive atmosphere expected of a planet this large, and researchers are trying to find out why
The discovery of GJ 523b, an exoplanet more than twice the size of Earth, has shaken scientists' understanding of rocky planet formation. T...
20 Aug, 2026, 01.47 PM IST

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