Free floating planets as a research area focuses on the detection, characterization, and population statistics of planetary-mass objects that are not gravitationally bound to any star. This field integrates microlensing surveys, deep infrared imaging, and dynamical modeling to constrain their occurrence rate, mass function, and spatial distribution in the Galaxy. Research addresses their formation pathways (e.g., ejection from planetary systems versus isolated collapse), atmospheric and interior properties at very low irradiation, and implications for planet formation theories and cluster dynamics. It also explores their contribution to the Galactic mass budget and the potential overlap with brown dwarfs and other substellar free-floating objects.
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