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| Maggie Turnbull: Using Light to Find Life |
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| Questioning Terrestrial Planets |
| Topic: New Planets |
04/27/05 |
| Looking for biosignatures that would be characteristic of intelligent life is not always about extrapolating the most intelligent things a species might be doing. For instance, would one look for pollutants in the atmosphere? |
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| The Faint and the Bright |
| Topic: Cosmic Evolution |
04/20/05 |
| Of the 500 scientifically interesting stars within 30 light-years, how many habitable zones will astronomers be able to image? If there's a planet in those habitable zones, how detectable will that planet be? |
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| Crunching the Numbers |
| Topic: New Planets |
04/18/05 |
| Maggie Turnbull, an astronomer with the Carnegie Institution, has spent many years thinking about what kind of stars could harbor Earth-like planets. Her database of potentially habitable star systems could be used as a target list for NASA's forthcoming Terrestrial Planet Finder (TPF) mission. |
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| Surfing the Wavelengths |
| Topic: New Planets |
04/11/05 |
| Maggie Turnbull, an astronomer with the Carnegie Institution, has spent many years thinking about what kind of stars could harbor Earth-like planets. Her database of potentially habitable star systems could be used as a target list for NASA's upcoming Terrestrial Planet Finder (TPF) mission. |
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