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A new study reveals super-Earths, rocky planets larger than Earth but smaller than Neptune, may be far more abundant than previously thought. Using data from a gravitational microlensing event, astronomers discovered a super-Earth orbiting its star at a Saturn-like distance, challenging existing models of planet formation. This finding, published in Science, suggests a larger population of distant, rocky planets and expands the potential range for habitable worlds beyond our solar system. The research relied on data from the Korea Microlensing Telescope Network (KMTNet). The discovery implies two distinct planet populations with different formation processes, potentially broadening our understanding of habitable zones around other stars.

Prepared by Olivia Bennett and reviewed by editorial team.