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NATS 1820 (1)
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exam notes - earths existance

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Department
Natural Science
Course
NATS 1820
Professor
William Pietro
Semester
Winter

Description
NATS1820feb5ABIOTICflowofenergynecessarytomaintainorganismsBIOTICallotherformsoflifesunistheprimarysourceofenergyintheearthALLOFTHEENERGYOFLIFECOMESFROMTHESUNmoleculesthatmakeuplifeareallmadeupofcarbonoxygenisthemostabundantelementintheearthscrustwhentheearthwasfirstformedouratmosphereconsistedofammoniaNH3methaneCH4andnitrogenNnitrogenoxidecomesfromtheaironlywaytogetridofthemlowercombustiontemperatureofcarHowearthcametobe136billionyearsagoallmatteronearthwascontainedinaboutsomethingaboutthesizeofthebottlecapburstsuniversallawscreatedwiththebigbangcancounteachlengthofcolourifitscomingfromsunifyouseeastaritsshiftedtowardstheredthefurtherthestaristhemoreshiftedtoreditisDopplershiftspeedofsoundthroughtheairisaconstantdeterminedbythedensityoftheairlighthasthesamethingredisshorterfrequencyheatisstillthereyoucannotdestroyheatyoujustmoveituniversehasabackgroundtemperatureof4degreeskelvinmysteryattheedgeoftheuniversequasarsthefurtheryoulookoutintotheuniversethefurtherbackintimeyouseespeedoflightis3x108ms1measureinyearlightyearthelightweseefromthesonisalways7yearsoldtakionisaparticletotravelfasterthanlighttheory45billionyrsagowastheearth1billyrsagoitdroppedtoatempwheremoleculescouldstartforming200celsiuselectrochemistrylightningeverywhereammoniamethaneandnitrateformsothermoleculesprimeordealsoupweekaminoacidsyearpeptidesandproteinswhateverstartslifehappensreallyreallyfastveryshortlyafterearthformedtempsunder100celsiusweformedcells
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