Astronomers have located the first planet outside our solar system containing water vapor and temperatures that could support life.
Data from NASA's Hubble Space Telescope allowed astronomers from the Center for Space Exochemistry Data at the University College London to determine that the molecular signature of water vapor exists in the atmosphere of an extrasolar planet about 110 light years away in the constellation of Leo, called K2-18b.
The findings were published in two independent studies, one published in Nature Astronomy and another submitted to the the Astronomical Journal. However, the exoplanet may be more hostile to life than Earth due to the high level of activity to the nearby red dwarf star, which exposes it to more high-energy radiation.
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