Scientists have discovered water at a planet outside our solar system that has temperatures suitable for life.
In a tantalizing first, scientists have discovered water at a planet outside our solar system that has temperatures suitable for life.
Its star and atmosphere are so different than ours,"Earth-like conditions are not possible," Tsiaras told reporters."The only question that we're trying to ask here, and we're pushing forward, is the question of habitability." Discovered in 2015, the planet known as K2-18b is twice the size of Earth with eight times the mass. While it's thought to be rocky, no one knows if water's flowing on the surface. Its star, a red dwarf, is considerably smaller and cooler than our sun, a yellow dwarf, and its atmosphere is also different than ours.
While water already has been identified in the atmospheres of hot gas giants circling other stars, the latest findings represent the first detection of water vapor in the atmosphere of another type of exoplanet, Tsiaras said.
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