nstituteExoplanet phase curvesNexus for Exoplanet System SciencePlanets in science fictionSudarsky's gas giant classificationDiscoveries of exoplanetsSearch projectsvteBig HistoryThemes and subjectsChronology of the universeCosmic evolutionDeep timeTime scalesGoldilocks principleModernityEight thresholds1: Creation - Big Bang and cosmogony2: Stars - creation of stars3: Elements - creation of chemical elements inside dying stars4: Planets - formation of planets5: Life - abiogenesis and evolution of life6: Humans - development of Homo sapiensStone Age7: Agriculture - Agricultural Revolution8: Modernity - modern eraWeb-based educationBig History ProjectChronoZoomNotable peopleWalter AlvarezCynthia Stokes BrownEric ChaissonDavid ChristianCarl SaganFred SpierGraeme SnooksRelatedBig History (2013 series)ද්වාර: තාරකා Spaceflight Outer space Solar System Outer space Astronomyඅධිකාරී පාලනය ජාතික පුස්තකාලFrance (data)GermanyIsraelUnited StatesJapanC