Astronomers Discover Two Rare Super-Puff Planets Unlike Anything Seen Before

  • Publish date: Wednesday، 01 July 2026 Reading time: 1 min read

Astronomers Discover Two Rare Super-Puff Planets

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Astronomers stumbled on a big cosmic thing, by finding a pair of rare, low-density exoplanets that seem to ignore the usual planetary physics rules. This was put out in the Monthly Notices of the Royal Astronomical Society, and the international paper goes into two worlds that look like Jupiter in size but are weirdly light in a “how is that even possible” way. These newly noticed “super-puff” planets are turning the usual gas giant story upside down, like they somehow learn to gather bulk in a totally different manner, and then change over billions of years.