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Loading contentAn ultra-cool red dwarf star about 40 light-years away that hosts seven known terrestrial planets.
star:trappist-1Dataset membership
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TRAPPIST-1 is an ultracool red-dwarf star about 40 light-years away that hosts seven known Earth-sized planets, several of them in or near its habitable zone.
Source: NASA Exoplanet Science Institute (Caltech/IPAC) — NASA Exoplanet Archive · Freely available; acknowledgement requested
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Real, source-backed references — primary papers first, then datasets and institutional sources. Formatted through the citation engine; nothing is fabricated.
Michaël Gillon & et al. · Nature 542, 456–460 · 2017
Nature · doi:10.1038/nature21360
Michaël Gillon & et al. (2017). Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1. Nature 542, 456–460. Nature. https://doi.org/10.1038/nature21360
@misc{cite:gillon-2017-trappist,
title = {Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1},
author = {Michaël Gillon and et al.},
organization = {Nature},
howpublished = {Nature 542, 456–460},
year = {2017},
doi = {10.1038/nature21360},
url = {https://doi.org/10.1038/nature21360},
note = {The seven Earth-sized TRAPPIST-1 planets.}
}CDS — SIMBAD
CDS — SIMBAD (n.d.). SIMBAD entry: TRAPPIST-1. CDS — SIMBAD. https://simbad.cds.unistra.fr/simbad/
@misc{cite:simbad-star-trappist-1,
title = {SIMBAD entry: TRAPPIST-1},
organization = {CDS — SIMBAD},
year = {n.d.},
url = {https://simbad.cds.unistra.fr/simbad/},
note = {SIMBAD identifications and measurements for TRAPPIST-1.}
}ESA — Gaia DPAC
ESA — Gaia DPAC (n.d.). TRAPPIST-1 — ESA Gaia astrometry. ESA — Gaia DPAC. https://gea.esac.esa.int/archive/
@misc{cite:gaia-star-trappist-1,
title = {TRAPPIST-1 — ESA Gaia astrometry},
organization = {ESA — Gaia DPAC},
year = {n.d.},
url = {https://gea.esac.esa.int/archive/},
note = {Gaia parallax and photometry for TRAPPIST-1.}
}How TRAPPIST-1 connects across Asteria Star — scientific, cultural, and astrological links are kept separate.
A large equatorial constellation, one of the 88 modern constellations, lying along the zodiac.
The innermost of the seven known terrestrial planets orbiting TRAPPIST-1.
The second terrestrial planet from the ultra-cool dwarf star TRAPPIST-1.
The third terrestrial planet in the TRAPPIST-1 system.
A habitable-zone terrestrial planet in the TRAPPIST-1 system, comparable in size to Earth.
A habitable-zone terrestrial planet orbiting TRAPPIST-1.
The sixth of the seven known terrestrial planets orbiting TRAPPIST-1.
The outermost of the seven known terrestrial planets orbiting TRAPPIST-1.
Red giant in Aquarius, about 233 light-years from Earth.
Subgiant in Canis Minor, about 316 light-years from Earth.
Subgiant in Cassiopeia, about 1,129 light-years from Earth.
Main-sequence star in Centaurus, about 63.3 light-years from Earth.
Main-sequence star in Eridanus, about 46.4 light-years from Earth.
Star in Gemini, about 155 light-years from Earth.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.
European missions, observatories, and space science imagery.