“If this is the only planet on which not only life, but intelligent life, has arisen, that would be very unusual.” IfsWould BePlanetsIntelligentUnusualIntelligent Life Author:Seth Shostak
“If you took all the sand from all the beaches, all the desserts, and all the oceans and called that the Universe, our whole solar system would be less than one grain of sand.” IfsWholeWould BeUniverseOceanBeachSandGrainDessertSolar SystemGrains Of Sand Author:Seth Shostak
“[O]ne might ask why, in a galaxy of a few hundred billion stars, the aliens are so intent on coming to Earth at all. It would be as if every vertebrate in North America somehow felt drawn to a particular house in Peoria, Illinois. Are we really that interesting?” IfsMightWould BeEarthAmericaScienceAsksHouseStarsFeltInterestingParticularHundredBillionsAliensGalaxyNorth AmericaIllinoisVertebratesPeoria Author:Seth Shostak
