Artist's Impression of "Hot Jupiter" Exoplanets - Annotated

Artist's Impression of "Hot Jupiter" Exoplanets - Annotated

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Fast Facts
News release ID: STScI-2015-44
Release Date: Dec 14, 2015
Image Use: Copyright
About this image

This image shows an artist's impression of the 10 hot Jupiter exoplanets studied by astronomer David Sing and his colleagues using the Hubble and Spitzer space telescopes. From top left to lower left, these planets are WASP-12b, WASP-6b, WASP-31b, WASP-39b, HD 189733b, HAT-P-12b, WASP-17b, WASP-19b, HAT-P-1b and HD 209458b.

The colors of the planets are for illustration purposes only. There is little scientific data on color with the exception of HD 189733b, which became known as the "blue planet." The planets are also depicted with a variety of different cloud properties. The wind patterns shown on these 10 planets, which resemble the visible structures on Jupiter, are based on theoretical models.

The illustrations are to scale with each other. HAT-P-12b, the smallest of them, is approximately the size of Jupiter, while WASP-17b, the largest planet in the sample, is almost twice the size. The hottest planets within the sample are portrayed with a glowing night side. This effect is strongest on WASP-12b, the hottest exoplanet in the sample, but also visible on WASP-19b and WASP-17b. It is also known that several of the planets exhibit strong Rayleigh scattering. This effect causes the blue hue of the daytime sky and the reddening of the sun at sunset on Earth. It is also visible as a blue edge on the planets WASP-6b, HD 189733b, HAT-P-12b, and HD 209458b.


Tags
Artwork, Extrasolar Planets, Hubble Telescope, Planets, Stars

Credits

Illustration Credit: NASA and ESA;
Science Credit: NASA, ESA, and D. Sing (University of Exeter)