“We are made out of stardust. The iron in the hemoglobin molecules in the blood in your right hand came from a star that blew up 8 billion years ago. The iron in your left hand came from another star. We are the laws of chemistry and physics as they have played out here on Earth and we are now learning that planets are as common as stars. Most stars, as it turns out now, will have planets.” YearsMadeHandsEarthLawTurnsLeftStarsCommonBloodPlanetsYears AgoPhysicsBillionsIronChemistryMoleculesStardustLeft Hand Author:Jill Tarter
“Our knowledge of physics only takes us back so far. Before this instant of cosmic time, all the laws of physics or chemistry are as evanescent as rings of smoke.” LawPhysicsRingsSmokeInstantChemistryCosmicLaws Of Physics Book:The Infinite Cosmos: Questions from the frontiers of cosmology Source: The Infinite Cosmos: Questions from the frontiers of cosmology