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Twin ‘super-puff’ planets offer clues to cosmic evolution - Financial Times
Overview
Two exceptionally low-density 'super-puff' exoplanets more than 1,000 light‑years away have been identified, with densities so low they're likened to candyfloss. Their inflated, tenuous atmospheres offer new clues about how planets form and lose gas, pointing to processes such as rapid atmospheric escape or formation in gas-rich regions. These discoveries join other surprising finds — from searches for Earth-like worlds to molten, sulfur-rich planets — that are expanding planetary categories and challenging models of planetary evolution.
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