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'Super-puff' planets lighter than candy floss discovered by international team

'Super-puff' planets lighter than candy floss discovered by international team
Phys.org Thursday 25 June 2026, 01:10 UTC 1 min read
Key Points

An international collaboration has discovered two of the lowest-density giant planets ever detected: rare "super-puff" planets with densities lower than candy floss. The study—led by the University of Oxford, in collaboration with Université Côte d'Azur/Observatoire de la Côte d'Azur and the University of Birmingham—has been published in Monthly Notices of the Royal Astronomical Society.

An international collaboration has discovered two of the lowest-density giant planets ever detected: rare "super-puff" planets with densities lower than candy floss. The study—led by the University of Oxford, in collaboration with Université Côte d'Azur/Observatoire de la Côte d'Azur and the University of Birmingham—has been published in Monthly Notices of the Royal Astronomical Society.
the University of Oxford (ORG) Université Côte d'Azur/Observatoire de la Côte d'Azur (ORG) the University of Birmingham (ORG) the Royal Astronomical Society (ORG)
Originally published by Phys.org Read original →

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