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Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1
- Gillon, Michaël;
- Triaud, Amaury HMJ;
- Demory, Brice-Olivier;
- Jehin, Emmanuël;
- Agol, Eric;
- Deck, Katherine M;
- Lederer, Susan M;
- de Wit, Julien;
- Burdanov, Artem;
- Ingalls, James G;
- Bolmont, Emeline;
- Leconte, Jeremy;
- Raymond, Sean N;
- Selsis, Franck;
- Turbet, Martin;
- Barkaoui, Khalid;
- Burgasser, Adam;
- Burleigh, Matthew R;
- Carey, Sean J;
- Chaushev, Aleksander;
- Copperwheat, Chris M;
- Delrez, Laetitia;
- Fernandes, Catarina S;
- Holdsworth, Daniel L;
- Kotze, Enrico J;
- Van Grootel, Valérie;
- Almleaky, Yaseen;
- Benkhaldoun, Zouhair;
- Magain, Pierre;
- Queloz, Didier
Published Web Location
https://doi.org/10.1038/nature21360Abstract
Last year, three Earth-sized planets were discovered to be orbiting the nearby Jupiter-sized star TRAPPIST-1; now, follow-up photometric observations from the ground and from space show that there are at least seven Earth-sized planets in this star system, and that they might be the right temperature to harbour liquid water on their surfaces.
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