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Planetary science

Planetary science

‘Super-puff’ exoplanets put a ring on it

12 Mar 2020
Image of a bright star with a small shadow of a ringed planet in front of it
Rings in transit An artist's conception of a ringed planet transiting in front of its host star. Astronomers used models of such events to constrain which of the known "super-puff" exoplanets could have rings. (Courtesy: Robin Dienel/Carnegie Institution for Science)
The apparent “puffiness” of some exoplanets could be due to Saturn-like rings, rather than envel

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