| 1. | Tau Librae is a stellar system located about 445 light-years from Earth.
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| 2. | The Phi Persei stellar system is located about 716 light-years from Earth.
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| 3. | It has been suggested that it has a triple stellar system.
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| 4. | He has also considered the habitability criteria of other stellar systems and planets.
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| 5. | Has found two evolutionary sequences of stellar systems : nearly spherical and strongly flattened.
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| 6. | This stellar system lies in the nebula IC 1396.
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| 7. | This would allow receivers in other stellar systems to estimate when the signals would arrive.
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| 8. | We have assumed that each stellar system in evolutions throws off electric corpuscles into space.
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| 9. | An uninhabited stellar system containing a planet that can be terraformed is deemed a viscountcy.
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| 10. | Upsilon Librae is a double or multiple stellar system located about 195 light-years from Earth.
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