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50.6 MB (771.6 KB compressed)
3535 x 5000 pixels
30.0 x 42.4 cm ⏐ 11.8 x 16.7 in (300dpi)
MARK GARLICK / SCIENCE PHOTO LIBRARY MARK GARLICK / SCIENCE PHOTO LIBRARY
Artwork of extrasolar planet around sun-like star YBP 1194. This is the most sun-like star so far discovered, with almost the same mass and temperature as our Sun, but being 500 million years younger. The star, which is in the M67 open cluster, is one of three in the cluster known to harbour planets, showing that planets in clusters are more common than thought. The planet, a gas giant called YBP 1194b, is in a very close orbit with a semi-major axis of just 0.07 astronomical units – less than one-fifth of the Mercury-Sun orbital distance. In this image, the planet is seen silhouetted against its star, with a fiery, volcanic moon orbiting it.
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