HD 17156 b

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Science and technology

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What Wikipedia says

HD 17156 b, named Mulchatna by the IAU, is an extrasolar planet approximately 255 light-years away in the constellation of Cassiopeia. The planet was discovered orbiting the yellow subgiant star HD 17156 in April 2007.

Excerpt from the Wikipedia article “HD 17156 b”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Tyrogthekreeper at en.wikipedia, CC BY-SA 3.0, via Wikimedia Commons.