In the quiet arithmetic of planetary formation, two worlds have emerged that refuse to obey the rules — TOI-791b and TOI-791c, gas giants as large as Jupiter yet so impossibly light they rival cotton candy in density. Discovered by a team led by Oxford's George Dransfield and announced in 2026, these so-called super-puff planets orbit the same star, a coincidence so rare it forces astronomers to confront the limits of what they thought they understood about how worlds are born. Their existence is less an answer than an invitation — to revise, to imagine, and to sit with the humbling strangenes