Potentially habitable planet discovered closest star
around the nearest star takes a planet where liquid water might flow. If that is true, it may well be the best chance of extraterrestrial life until now.
An international group of astronomers announced the discovery Wednesday.
The planet is slightly larger than Earth and has about the same composition. The temperature allows liquid water possible. The planet is in the so-called habitable zone. "He will be an important goal in the hunt for evidence of life elsewhere in the universe," the researchers said.
The climate will be very different than on Earth, and the planet probably has no seasons. He will also be exposed to more UV radiation than the Earth.
The planet has been named Proxima b. He turns around Proxima Centauri. That star is just four light years from Earth, but is not visible to the naked eye.
Scientists have a while to calculate whether a mission is possible. Which should begin in a year or twenty. New technologies could fly a probe rapidly and only need thirty years to reach the star.
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