28 New Exoplanets Announced
Hard, hot, high-pressure water isn't conducive to life and researchers have been quick to note that habitability is not an issue here. But it shouldn't be neglected that a rocky place with high water content, discovered through a transit of a 'hot Neptune,' is an exciting reminder that the essentials for life are likely widespread. Marcy thinks about one in ten planets in our galaxy are habitable, which by his reckoning makes for around 20 billion conceivably living worlds in the Milky Way.
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