September 28, 2023



NASA’s Kepler Space Telescope spots four mysterious ‘free-floating’ planets


NASA‘s Kepler Space Telescope has found a mysterious population of ‘free-floating’ or ‘rogue’ planets that aren’t bound to any host star. 

Based on a technique called gravitational microlensing, researchers reveal there are four new rogue planets in total, which likely have similar masses to that of Earth. 

Gravitational microlensing relies on chance events where from a certain viewpoint, one star passes in front of another star. 

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