Gliese 581 planetary system Image by Lynette Cook.

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Presentation transcript:

Gliese 581 planetary system Image by Lynette Cook

“If the local stellar neighborhood is a representative sample of the galaxy as a whole, our Milky Way could be teeming with potentially habitable planets.” S. S. Vogt et al. (2010) The Lick-Carnegie Exoplanet Survey: A 3.1 M  planet in the habitable zone of the nearby M3V star Gliese 581. Astronomy and Astrophysics, 723, p

Gliese 581 system ebc g gdf

Gliese 581: luminosity = Sun; ~8 Gyr; ~20 light years away

Earth Mercury g S. S. Vogt et al. (2010) The Lick-Carnegie Exoplanet Survey: A 3.1 M  planet in the habitable zone of the nearby M3V star Gliese 581. Astronomy and Astrophysics, 723, p

Gliese 581 planetary system S. S. Vogt et al. (2010) The Lick-Carnegie Exoplanet Survey: A 3.1 M  planet in the habitable zone of the nearby M3V star Gliese 581. Astronomy and Astrophysics, 723, p

Gliese 581 system ebc g? df Modified after … Selsis F. et al. (2007) Habitable planets around the star Gliese 581? Astron. Astrophys., 476, p

Gliese 581g Gliese 581 (M3V) Image by Lynette Cook

Does this equation look familiar?! S. S. Vogt et al. (2010) The Lick-Carnegie Exoplanet Survey: A 3.1 M  planet in the habitable zone of the nearby M3V star Gliese 581. Astronomy and Astrophysics, 723, p