super-puff

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English

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English Wikipedia has an article on:
Wikipedia

Etymology

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From super- +‎ puff. (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Noun

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super-puff (plural super-puffs)

  1. (astronomy) An exoplanet with greater diameter than Neptune with a mass only a few times that of Earth, giving it a very low density.
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