Kepler-51 D is one of the strangest planets ever discovered — a world so light and fluffy that scientists call it the Cotton Candy Planet. But behind its soft appearance lies a mystery that challenges everything we know about how planets form. In this video, we explore the unbelievable science behind Kepler-51 D — a super-puff exoplanet with the density of a marshmallow floating in deep space. NASA’s discovery shocked astronomers, revealing a massive planet that weighs almost nothing, defying every rule of planetary formation. You’ll learn how this strange “cotton candy world” expands, traps gas, and behaves unlike anything in our universe. We break down the cosmic facts, NASA data, and mind-bending mysteries surrounding this ultra-light giant. This video dives into the future of space exploration, exoplanet science, and what Kepler-51 D means for understanding the universe. Perfect for anyone who loves astronomy, cosmic wonders, or unexplained space discoveries. Get ready for a cinematic journey through a world that shouldn’t exist — but does. Subscribe for more mind-bending cosmic stories and weekly deep-space discoveries! #SpaceMystery #NASA #UniverseFacts #CosmicWonders #Kepler51D #Exoplanets #CottonCandyPlanet #SpaceDiscovery #Astronomy #ScienceExplained #CosmicFacts #DeepSpace #Galaxies #Shorts