SMRTR Science & EngineeringFeb 18, 2025Scientific American

Exoplanet Census Identifies ‘Missing Planets’ Gap

SMRTR summary

Astronomers have discovered thousands of exoplanets, revealing surprising diversity in planetary systems. Analysis shows a "radius gap" between super-Earths and mini-Neptunes, likely caused by atmospheric loss from stellar radiation or internal heat. This research helps explain planet formation and may guide the search for habitable worlds.

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