Exoplanets
- Shirtsleeve twin - my idea, where we could survive without spacesuits
- 1 Earth size
- 2 "Habitable" zone
- 3 low eccentricity
- 4 a large moon
- 5 a large Jupiter to deflect impactors
- 6 approximately 50% ocean
- 7 plate tectonics
- 8 plants are implied, oxygen atmosphere
Exoplanets, 2010, Sara Seager
p4 http://exoplanet.eu Fig. 1: graph of known exoplanets in July 2010
- this graph does not include eccentricity
- Radial Velocity - Lovis and Fischer
- Astrometry (wobble of star) - Quirrenbach
- No results as of 2010
- Timing - Wolszczan and Kuchner
- pulsars or stable oscillation stars
- Gravitational Microlensing - Gaudi
- Transits - Winn
- Direct Imaging - Traub and Oppenheimer