Astronomers find biggest super-puff planets yet that are lighter than cotton candy
Astronomers have uncovered a pair of giant planets that are lighter than cotton candy—super-puffs the size of Jupiter.
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Astronomers discover Jupiter-sized exoplanets with density lower than cotton candy
Astronomers have uncovered a pair of giant planets that are lighter than cotton candy. The two so-called super-puffs are the size of Jupiter

Astronomers found two rare super puff planets lighter than cotton candy
Two newly confirmed "super-puff" planets are so diffuse that they are less dense than cotton candy, despite being about the size of Jupiter.
'Super-puff' planets lighter than candy floss discovered by international team
Two ultra-low-density Jupiter-sized exoplanets, fluffier than candy floss, offer a rare chance to study how such 'super-puff' worlds form.
Two Planets Lighter Than Cotton Candy
Two Planets Lighter Than Cotton Candy We usually picture planets as rugged, heavyweight worlds—rocky behemoths or gas giants you’d never wan

Scientists discover gigantic ‘super-puff’ planets lighter than candy floss
'They also have a similar density to shaving foam.'
Pair of ‘super-puff’ planets are lighter than candy floss
Nature, Published online: 09 July 2026; doi:10.1038/d41586-026-02114-2 Two gas giants circling the same star are among the least dense plane

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