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  • 1. Pete WordenCenter Director, Ames Research Center
  • 2. Natalie BatalhaKepler Deputy Science Team Lead, San Jose State University
  • 3. What fraction of stars in our galaxy harborpotentially habitable, Earth-size planets?
  • 4. Planet Candidates as of June 2010 Jun 2010 Size Relative to Earth Orbital Period in days
  • 5. Planet Candidates as of Feb 2011 Jun 2010 Feb 2011 Size Relative to Earth Orbital Period in days
  • 6. Planet Candidates as of Dec 2011 Jun 2010 Feb 2011 Dec 2011 Size Relative to Earth Orbital Period in days
  • 7. Sizes of Planet Candidates 1181 − Neptune-size (+78%)Super Earth-size − 680 (+136%)Earth-size − 207 203 − Jupiter-size (+204%) (+23%) 27 − Super (+42%) Jupiter-size
  • 8. Candidates in the Habitable Zone Jun 2010 Feb 2011 Dec 2011Size Relative to Earth 223K - 373K Dec: 139 Feb: 54 Equilibrium Temperature [K]
  • 9. Candidates in the Habitable Zone Jun 2010 Feb 2011 Dec 2011Size Relative to Earth 185K - 303K Dec: 48 Feb: 25 Equilibrium Temperature [K]
  • 10. Ten Near-Earth-Size Candidates in the Habitable Zone (185-303 K) Jun 2010 Feb 2011 Dec 2011Size Relative to Earth Equilibrium Temperature [K]
  • 11. Ten Near-Earth-Size Candidates in the Habitable Zone (185-303 K) Jun 2010 Feb 2011 Dec 2011Size Relative to Earth Equilibrium Temperature [K]
  • 12. William BoruckiKepler Principal Investigator at Ames
  • 13. Data Confirmation
  • 14. Data Confirmation
  • 15. Composition Dependence on the Radius and Mass of a Planet
  • 16. First Confirmed Kepler Planet In the Habitable Zone
  • 17. When Is an Earth-Analog" Really an Earth-Analog?Jill Tarter, Director, Center for SETI Research
  • 18. The Allen Telescope Array ATA-42
  • 19. Hat Creek Radio Observatory Shasta Allen Telescope Array Lassen
  • 20. NOISE MEASURED IN DEGREES KELVIN 3He+FREQUENCY IN GHz
  • 21. Hyperfine Spin-Flip Transition f0 = 1420 MHz f0 = 8666 MHz λ0 = 21 cm λ0 = 3.46 cm Hydrogen 3Helium+
  • 22. Voyager 1 Signal from 106 AU AwayTime Frequency
  • 23. Last Month Looking at Mars MROTime Mars Express Frequency