Astronomers spy a small, cool exoplanet with a months-long year

Researchers hope the sub-Neptune HD 88986 b and its star system will help scientists better understand our own.

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Paris ,France General ,France ,Switzerland ,Neda Heidari ,Christophe Lovis ,Debra Fischer ,Goddard Space Flight Center Ci Lab ,Switzerland University Of Geneva ,Yale University ,Exoplanet Survey Satellite ,Leo Minor ,