1. Pete Worden
Center Director, Ames Research Center

2. Natalie Batalha
Kepler Deputy Science Team Lead, San Jose State University

3. What fraction of stars in our galaxy harbor
potentially 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 2011
Size Relative to Earth
223K - 373K
Dec: 139
Feb: 54
Equilibrium Temperature [K]

9. Candidates in the Habitable Zone
Jun 2010 Feb 2011 Dec 2011
Size 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 2011
Size Relative to Earth
Equilibrium Temperature [K]

11. Ten Near-Earth-Size Candidates in the
Habitable Zone (185-303 K)
Jun 2010 Feb 2011 Dec 2011
Size Relative to Earth
Equilibrium Temperature [K]

12. William Borucki
Kepler Principal Investigator at Ames

15. Data Confirmation

16. Data Confirmation

17. Composition Dependence on the
Radius and Mass of a Planet

18. First Confirmed Kepler Planet
In the Habitable Zone

19. When Is an Earth-Analog"
Really an Earth-Analog?
Jill Tarter, Director, Center for SETI Research

20. The Allen Telescope Array
ATA-42

21. Hat Creek Radio Observatory
Shasta
Allen Telescope Array
Lassen

22. NOISE MEASURED IN
DEGREES KELVIN
3He+
FREQUENCY IN GHz

23. Hyperfine Spin-Flip Transition
f0 = 1420 MHz
f0 = 8666 MHz
λ0 = 21 cm
λ0 = 3.46 cm
Hydrogen
3Helium+

24. Voyager 1 Signal from 106 AU Away
Time
Frequency

25. Last Month Looking at Mars
MRO
Time
Mars Express
Frequency