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The Atmosphere of a Mini-Neptune Unveils Its Migratory History

New measurements of a hot Jupiter and its mini-Neptune-type companion indicate that these two exoplanets would have formed at significantly greater distances from their host star than their current configuration suggests. The study was published in The Astrophysical Journal Letters. The 8.2 billion-year-old star TOI-1130, with a mass of 0.7 solar mass, is located about 190 light-years away. It has a rare architecture where a warm Jupiter and a m…
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New measurements of a hot Jupiter and its mini-Neptune-type companion indicate that these two exoplanets would have formed at significantly greater distances from their host star than their current configuration suggests. The study was published in The Astrophysical Journal Letters. The 8.2 billion-year-old star TOI-1130, with a mass of 0.7 solar mass, is located about 190 light-years away. It has a rare architecture where a warm Jupiter and a m…

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ca-se-passe-la-haut.fr broke the news on Sunday, May 10, 2026.
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