Astronomers find biggest super-puff planets yet that are lighter than cotton candy
Astronomers have discovered two giant exoplanets orbiting a star 1,110 light-years away that possess an extremely low density. These 'super-puff' planets are lighter than cotton candy and are composed primarily of hydrogen and helium.
Why it matters
Understanding the formation and composition of these rare, low-density planets helps scientists refine models of planetary evolution and disk formation around newborn stars.
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