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Digital press kit - 2011 Kepler-22b and 2011 Kepler Science Conference
12.05.11
 
An artist's concept of Kepler-22b Click image for multiple resolutions.
This artist's conception illustrates Kepler-22b, a planet known to comfortably circle in the habitable zone of a sun-like star. It is the first planet that NASA's Kepler mission has confirmed to orbit in a star's habitable zone -- the region around a star where liquid water, a requirement for life on Earth, could persist. The planet is 2.4 times the size of Earth, making it the smallest yet found to orbit in the middle of the habitable zone of a star like our sun.

Scientists do not yet know if the planet has a predominantly rocky, gaseous, or liquid composition. It's possible that the world would have clouds in its atmosphere, as depicted here in the artist's interpretation.
Image credit: NASA/Ames/JPL-Caltech

This diagram compares our own solar system to Kepler-22. Kepler-22's star is a bit smaller than our sun, so its habitable zone is slightly closer in. The diagram shows an artist's rendering of the planet comfortably orbiting within the habitable zone, similar to where Earth circles the sun Click image for multiple resolutions.
This diagram compares our own solar system to Kepler-22, a star system containing the first "habitable zone" planet discovered by NASA's Kepler mission. The habitable zone is the sweet spot around a star where temperatures are right for water to exist in its liquid form. Liquid water is essential for life on Earth.

Kepler-22's star is a bit smaller than our sun, so it's habitable zone is slightly closer in. The diagram shows an artist's rendering of the planet comfortably orbiting within the habitable zone, similar to where Earth circles the sun. Kepler-22b has a yearly orbit of 289 days. The planet is the smallest known to orbit in the middle of the habitable zone of a sun-like star. It's about 2.4 times the size of Earth.
Image credit: NASA/Ames/JPL-Caltech

UPDATED with resources related to the announcements.

Thank you for your interest in the Kepler-22b and Kepler Science Conference news briefing on Dec. 5, 2011, at NASA's Ames Research Center, Moffett Field, Calif. To register for the media event, please contact Public Affairs Officer Michele Johnson. If you would like to interview any of the speakers, please email her or find her at the media registration area during the event.

Please wear your media badge at all times to indicate that you are active media. We appreciate the return of the media badges as you leave the event.

  • Briefing Resources
  • Panelist Names, Titles and Biographies
    • Pete Worden, center director of NASA's Ames Research Center, Moffett Field, Calif.
    • Natalie Batalha, Kepler deputy science team lead, San Jose State University
    • William Borucki, Kepler principal investigator at Ames
    • Jill Tarter, director of the Center for SETI Research, SETI Institute, Mountain View, Calif.
  • Kepler Image and Video Resources
  • Social Media
    • Twitter account for Kepler: @nasakepler
    • Twitter account for Ames: @nasaames
    • Hashtag for this event: #kepscicon
  • Related Links
  • Kepler Science Conference Session Recordings
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