Astronomers have discovered two Earth-size planets that survived getting caught in the red-giant expansion of their host star.
Steve Kawaler, an Iowa State University professor of physics and astronomy and a leader of the Kepler Asteroseismic Investigation, helped the research team study data from the Kepler space telescope to confirm that tiny variations of light from a star were actually caused by two planets of that star.
The findings are published in the journal Nature. Stephane Charpinet of the Institut de Recherche en Astrophysique et Planetologie in Toulouse, France, is the lead author and leader of the research team.
"This is a snapshot of what our …
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Publication information: Article title: Earth-Size Planets. Contributors: Not available. Journal title: The Science Teacher. Volume: 79. Issue: 2 Publication date: February 2012. Page number: 24+. © 2009 National Science Teachers Association. COPYRIGHT 2012 Gale Group.
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