Science
Looking for Another Earth? Here Are 300 Million, Maybe – The New York Times
A new analysis of data from NASA’s Kepler spacecraft increases the number of habitable exoplanets thought to exist in this galaxy.
In an email, David Charbonneau, of the Harvard-Smithsonian Center for Astrophysics, said he was slightly skeptical of the results: The Kepler Mission didnt detect many (arguably, any) true Earth analogues, i.e. planets with the same radius as Earth AND orbiting at the same period, and hence receiving the same amount of light, AND orbiting sun-like stars.
As Dr. Batalha said at the time, We dont yet have any planet candidates that are exact analogues of the Earth in terms of size, orbit or star type….
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