 The SETI Institute (@SETIInstitute)10/08/10 11:15 Where are the aliens? Fermi paradox redux – great Seth Shostak article, see him at #SETIcon! http://cot.ag/9jkVWm |
| The SETI Institute (@SETIInstitute) 10/08/10 11:15 Where are the aliens? Fermi paradox redux – great Seth Shostak article, see him at #SETIcon! http://cot.ag/9jkVWm |
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