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These Giant "Super-Puff" Planets Are Less Dense Than Cotton Candy!

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This illustration depicts the Sun-like star and the two giant planets that orbit it (Credit: NASA / Daniel Rutter)

Astronomers have found a pair of Jupiter-sized exoplanets that are less dense than cotton candy. Named TOI-791 b and TOI-791 c, they orbit a Sun-like star about 1,113 light-years from Earth. The two belong to a rare class of planets known as "super-puffs."