The Prospects for Earth-Like Planets within Known Extrasolar Planetary Systems
We consider the possible existence of habitable Earth-like planets in four recently discovered extrasolar planetary systems. Such prospective planets must have orbits that are (1) dynamically stable, and (2) allow for surface temperatures compatible with liquid water. We find that three of the four...
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| Veröffentlicht in: | Publications of the Astronomical Society of the Pacific 1996-11, Vol.108 (729), p.1018-1023 |
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| container_issue | 729 |
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| container_title | Publications of the Astronomical Society of the Pacific |
| container_volume | 108 |
| creator | Gehman, Curtis S. Adams, Fred C. Laughlin, Gregory |
| description | We consider the possible existence of habitable Earth-like planets in four recently discovered extrasolar planetary systems. Such prospective planets must have orbits that are (1) dynamically stable, and (2) allow for surface temperatures compatible with liquid water. We find that three of the four new systems (51 Peg, p¹ Cnc, and 47 UMa) are easily capable of supporting habitable planets. The fourth (70 Vir) is capable of having a habitable planet only under rather extreme circumstances. To obtain these results, we develop a probabilistic formulation for the coupled problem of orbital stability and planetary habitability. |
| doi_str_mv | 10.1086/133826 |
| format | Article |
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Such prospective planets must have orbits that are (1) dynamically stable, and (2) allow for surface temperatures compatible with liquid water. We find that three of the four new systems (51 Peg, p¹ Cnc, and 47 UMa) are easily capable of supporting habitable planets. The fourth (70 Vir) is capable of having a habitable planet only under rather extreme circumstances. To obtain these results, we develop a probabilistic formulation for the coupled problem of orbital stability and planetary habitability.</abstract><pub>American Institute of Physics</pub><doi>10.1086/133826</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Publications of the Astronomical Society of the Pacific, 1996-11, Vol.108 (729), p.1018-1023 |
| issn | 0004-6280 1538-3873 |
| language | eng |
| recordid | cdi_crossref_primary_10_1086_133826 |
| source | JSTOR Archive Collection A-Z Listing; Institute of Physics Journals; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Gas giants Habitability Orbits Outer planets Planetary orbits Planets Solar orbits Solar systems Stellar orbits Terrestrial planets |
| title | The Prospects for Earth-Like Planets within Known Extrasolar Planetary Systems |
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