Hot Jupiter exoplanet in the star cluster Messier 67 (eso1621a)
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ESO/L. Calçada
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This artist’s impression shows a hot Jupiter planet orbiting close to one of the stars in the rich old star cluster Messier 67, in the constellation of Cancer (The Crab). Astronomers have found far more planets like this in the cluster than expected. This surprise result was obtained using a number of telescopes and instruments, among them the HARPS spectrograph at ESO’s La Silla Observatory in Chile. The denser environment in a cluster will cause more frequent interactions between planets and nearby stars, which may explain the excess of hot Jupiters.
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Creative Commons Attribution 4.0
Mer information om licensen för bilden finns här. Senaste uppdateringen: Tue, 13 Aug 2024 07:24:21 GMT