外星人和人類的太空探索課件

Extraterrestrials外星人和人類的太空探索UFOWeallknowthatweliveinacomplexworld,.Althoughthetechnicsofthehumanbeingsaredevelopingallthetime,westillgotsomanyunsolvedproblems.Amongallofthispuzzles,UFOisoneofthemostnoticablethings.Nowaseverybodyknows,UFOiswhatwecallUnknownFlyingObjectforshort.Foraperiodoftime,oncewementionedUFO,wealwayscommunicateitwithhigh-tech,extra-terrestrials,outterspacecultureandmanyotherexcitingthings.Therearealotofwitnessesaroundtheworld,affirmingthattheychancedtohaveseensomestrangethingsinthesky.UFO外星人和人類的太空探索AvideoaboutUFO外星人和人類的太空探索Doyouthinktheworldreallyhavealiens外星人和人類的太空探索

let’shavealook外星人和人類的太空探索外星人和人類的太空探索外星人和人類的太空探索外星人和人類的太空探索外星人和人類的太空探索Let’sseesomestatisticsAccordingtothelatestscientificresearch,thereareabout1millionplanetsmayhaveextraterrestriallifeintheMilkyWaygalaxy.Butlifeismadeupofwater，oxygenandvariouschemicalelementform.Soonly250planetscanachievethoseconditions.IftheyareevenlydistributedintheMilkyWaygalaxy,thenearestfromusisalso4600light-years.Butdon’tloseheart,thereareabout10billiongalaxiesliketheMilkyWaygalaxyinthewholeuniverse.外星人和人類的太空探索TheQuestforExtraterrestrial

Throughallofourhistorywehaveponderedthestarsandmusewhetherhumanityisuniqueorifsomewhereelseinthedarkofthenightsky,thereareotherbeingswhocontemplateandwonderaswedo.Somewhereelsetheremightbeveryexoticbiologiesandtechnologiesandsocieties.Wearealittlelonelyandwepondertheultimatesignificanceofourtinybutexquisiteblueplanet.Thesearchforextraterrestrialintelligenceisthesearchforagenerallyacceptablecosmiccontextforthehumanspecies.Inthedeepestsense,thesearchforextraterrestrialintelligenceisasearchforourselvesInthelastfewyears----inone-millionththelifetimeofourspeciesonthisplanet----wehaveachievedanextraordinarytechnologicalcapabilitywhichenablesustoseekoutunimaginablydistantcivilizationseveniftheyarenomoreadvancedthanwe.Thatcapabilityiscalledradioastronomyandinvolvessingleradiotelescopes,collectionsorarraysofradiotelescopes,sensitiveradiodetectors,advancedcomputersforprocessingreceiveddata.Radioastronomyhasinthelastdecadeopenedanewwindowonthephysicaluniverse.Itmayalso,ifwearewiseenoughtomaketheeffort,castaprofoundlightonthebiologicaluniverse.外星人和人類的太空探索Thehuman’sexploration

Let’sseetakealookatthetwofamousdetector:

Voyager1

and

Phoenix

外星人和人類的太空探索

Voyager1TheVoyager1spacecraftisaroboticAmericanspaceprobelaunchedbyNASAonSeptember5,1977,tostudytheouterSolarSystemandeventuallyinterstellarspace.Operatingforover33years,thespacecraftreceivesroutinecommandsandtransmitsdatabacktotheDeepSpaceNetwork.ItwasthefirstprobetoleavetheSolarSystemandisthefarthesthuman-madeobjectfromEarth.TheVoyagerGoldenRecordscontainsoundsandimagesselectedtoportraythediversityoflifeandcultureonEarth,andareintendedforanyintelligentextraterrestriallifeform,orforfuturehumans,whomayfindthemTherecordcontains55languageswhichinclude4Chinesedialect(putonghuacantoneseminnanhuawuyu)andtheancientQinQu"water外星人和人類的太空探索Phoenix外星人和人類的太空探索Humanbeingsisstilltryingtoexplorewhichpromotesthedevelopmentofhumantechnologyandsociety.Otherwisethesearchforextraterrestrialintelligenceisasea