Whoa! Earth-size planet in Alpha Centauri system(earthsky.org)
earthsky.org
Whoa! Earth-size planet in Alpha Centauri system
http://earthsky.org/space/whoa-earthlike-planet-in-alpha-centauri-system
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http://earthsky.org/space/whoa-earthlike-planet-in-alpha-centauri-system
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