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20 October 2012

Earth-sized planet discovered around Alpha Centauri!

Science fiction fans have been awaiting this news for decades: new results from the European Southern Observatory’s HARPS (High Accuracy Radial Velocity Planet Searcher) reveal that there is an Earth-sized planet orbiting the nearest star system to Earth.

About the Authors

Ryan Anderson, Planetary Geologist; USGS; Flagstaff, AZ

Michael Battalio, Atmospheric Scientist; Texas A&M University; College Station, TX

Lauren Edgar, Planetary Geologist; USGS; Flagstaff, AZ

Christopher Edwards, Planetary Geologist; Northern Arizona University; Flagstaff, AZ

Abigail Fraeman, Planetary Geologist; NASA/JPL; Pasadena, CA

Scott Guzewich, Atmospheric Scientist; NASA/GSFC; Greenbelt, MD

Ken Herkenhoff, Planetary Geologist; USGS; Flagstaff, AZ

Rachel Kronyak, Planetary Geologist; University of Tennessee; Knoxville, TN

Michelle Minitti, Planetary Geologist; Framework;
Silver Spring, MD

Mark Salvatore, Planetary Geologist; University of Michigan; Dearborn, MI

Roger Wiens, Geochemist; LANL; Los Alamos, NM

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Earth-sized planet discovered around Alpha Centauri!

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