An Earth-sized planet 40 light years away has emerged as a target in the international search for extraterrestrial habitable worlds and evidence of life.
Scientists using data from the largest telescope in space said Trappist-1e could have liquid water and an atmosphere rich in gases such as nitrogen, which makes up more than three-quarters of the Earth’s air.
Powerful new means of astronomical observation and analysis have boosted the quest to unlock the secrets of so-called exoplanets such as Trappist-1e, which are outside our solar system.
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