March 6, 2014
Mohenjo
Science
Alien Worlds, amazon, business, Business News, David Aguilar, Earthlike Planets, Exoplanet, Exoplanets, extrasolar planet, gas giant planet, Goldilocks Planet, Hospitable Planet, Hotels, huffingtonpost, human-rights, infrared technique, medicine, mental-health, research, Science, Science News, Search for E.T., Slideshow, Tau Boötis B, technology, Technology News, travel, vacation, Water Alien Planet, Water Atmosphere Alien Planet, Water Exoplanet, Water Hot Jupiter, Water on Other Planets, Water Planet
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The Milky Way is teeming with billions of planets, including many that are similar to our own. But how many of these alien worlds have water, and do any host extraterrestrial life?
No answers to those questions just yet. But astronomers using a new infrared technique say they’ve discovered water vapor in the atmosphere of a nearby gas giant planet called “tau Boötis b.”
The finding suggests that the technique may play an important role in identifying which exoplanets might be hospitable for life.
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An artist’s conception of a hot-Jupiter extrasolar planet orbiting a star similar to tau Boötes. | David Aguilar, Harvard-Smiths. Center Astrophysics
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November 10, 2013
Mohenjo
Science
Alien Planets, amazon, Astronomy, business, Business News, Earth, Earth Sized Planets, Earth Sized Planets Common, Earthlike Planets, Erik Petigura, Exoplanets, habitable planet, Habitable Planets, Habitable Planets Common, Health, Hotels, huffingtonpost, human-rights, Kepler, Kepler Space Telescope, Kepler spacecraft, Kepler Telescope, medicine, mental-health, NASA, planet, Planets, Planets Like Earth, research, Science, Science News, Slideshow, Space, Space Program, technology, Technology News, travel, vacation, Video
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Habitable alien planets similar to Earth may not be that rare in the universe, a new study suggests.
About one in five sunlike stars observed by NASA’s planet-hunting Kepler spacecraft has an Earth-size planet in the so-called habitable zone, where liquid water — and, potentially life — could exist, according to the new study. If these results apply elsewhere in the galaxy, the nearest such planet could be just 12 light-years away.
“Human beings have been looking at the stars for thousands of years,” said study researcher Erik Petigura, a graduate student at the University of California, Berkeley (UC Berkeley). “How many of those stars have planets that are in some way like Earth? We’re very excited today to start to answer that question,” Petigura told SPACE.com. [9 Exoplanets That Could Host Alien Life]
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