Mega-Earth GJ 523b is 23 times as massive as our planet—but only 2.5 times as wide

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August 17, 20261 min readScience

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It's nearly 170 million years old. It's more than 2.5 times the size of Earth. And it's the first exoplanet discovered and cataloged by researchers with the Wisconsin Center for Origins Research (WiCOR).

Key takeaways

01It's nearly 170 million years old.
02It's more than 2.5 times the size of Earth.
03And it's the first exoplanet discovered and cataloged by researchers with the Wisconsin Center for Origins Research (WiCOR).

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