Astronomers find exoplanets with the density of cotton candy

Astronomers find exoplanets with the density of cotton candy
Image: NASA, via the New York Post

[Ed. – The flavor, too.]

Astronomers have discovered a number of “super-puff” exoplanets in the Kepler 51 star system that are as dense as cotton candy.

Utilizing data from the Hubble Space Telescope, researchers found fewer than 15 of the planets that are almost as big as Jupiter but have extremely low density, at less than 100 times the gas giant’s mass or less than 0.1 grams per cubic centimeter of volume.

“They’re very bizarre,” said the study’s lead author, Jessica Libby-Roberts, in a statement.

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“This is an extreme example of what’s so cool about exoplanets in general,” said Zachory Berta-Thompson, one of the study’s co-authors, said. “They give us an opportunity to study worlds that are very different than ours, but they also place the planets in our own solar system into a larger context.”

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