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Exoplanet XO-3b Illustration
Public domain

Exoplanet XO-3b Illustration

NASA / JPL · 2022-01-13 · photograph (digital archive)

From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.

About this work

Planet XO-3b has an internal source of heat, possibly from tidal heating, which is caused by the squeezing of the planet's interior by the gravity of its parent star. This could be increased by the planet's slightly elliptical orbit (shown on the right), meaning it's more oval-shaped than circular.

NASA Image and Video Library’s own description
Subjects
Spitzer Space Telescope
Credit lineExoplanet XO-3b Illustration. NASA/JPL, 2022-01-13. Public domain. ID: PIA24580.
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