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NASA discovers a possible way out

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A size comparison of the planets of the TRAPPIST-1 system, lined up in order of increasing distance from their host star. The planetary surfaces are portrayed with an artist’s impression of their potential surface features, including water, ice, and atmospheres.
A size comparison of the planets of the Trappist-1 system, lined up in order of increasing distance from their host star. The planetary surfaces are portrayed with an artist’s impression of their potential surface features, including water, ice and atmosphere. NASA
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This artist’s impression shows the view from the surface of one of the planets in the TRAPPIST-1 system.
This artist’s impression shows the view from the surface of one of the planets in the Trappist-1 system. ESO
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An ilustration showing the possible surface of TRAPPIST-1f, one of the newly discovered planets in the TRAPPIST-1 system.
An illustration showing the possible surface of Trappist-1f, one of the newly discovered planets in the TRAPPIST-1 system. NASA
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A NASA travel poster for Trappist-1e, one of the new planets. NASA-JPL/Caltech
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Artist’s impression of the TRAPPIST-1 system
This artist’s impression displays Trappist-1 and its planets reflected in a surface. The potential for water on each of the worlds is also represented by the frost, water pools and steam surrounding the scene. NASA