Habitable planets: Is there intelligent life beyond Earth?
- February 3, 2011 10:47 AM |
- By POV
By CBC News
Five potential Earth-sized planets that may support liquid water -- and so possibly life -- have been found by NASA's Kepler mission.
All five orbit the habitable zone -- the region around a star where the temperature is just right for the existence of liquid water -- of stars that are smaller and cooler than the sun, NASA announced at a news conference Wednesday. Liquid water could make it possible for life as we know it to exist on those planets.
However, follow-up observations are needed to verify that the signals observed by the Kepler space telescope are actual planets, the U.S. space agency cautioned in a news release.
NASA released new data Wednesday from the telescope on more than 1,000 possible new planets outside our solar system -- more than doubling the count of what astronomers call exoplanets.
Do you believe there are other intelligent beings outside our solar system? Take our survey and tell us in the comments below.
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