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Today in History: Astronomers discover distant super-Earth OGLE-2005-BLG-390Lb

1/25/2026

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Summary

Story summary

On January 25, 2006, three astronomical teams—PLANET/Robonet, OGLE, and MOA—jointly announced the discovery of OGLE-2005-BLG-390Lb, a super-Earth located approximately 21,500 light-years from Earth. This ice exoplanet orbits the star OGLE-2005-BLG-390L but does not possess conditions suitable for supporting life.

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Story summary

On January 25, 2006, three astronomical teams—PLANET/Robonet, OGLE, and MOA—jointly announced the discovery of OGLE-2005-BLG-390Lb, a super-Earth located approximately 21,500 light-years from Earth. This ice exoplanet orbits the star OGLE-2005-BLG-390L but does not possess conditions suitable for supporting life.