Hubble has uncovered a completely new class of planet unlike anything found in our solar system. Rather than a "terrestrial" or "gas giant" they might better be called "cotton candy" planets because their density is so low: https://t.co/XVorTR8xF0 pic.twitter.com/yo0pD7iB6p
— Hubble (@NASAHubble) December 19, 2019
via Twitter https://twitter.com/NASAHubble
December 19, 2019 at 11:35PM
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