FormationStory

Maxaad dinosaurs: maleynayaa in beesha sayniska

Dinosaurs ma yihiin tobanka sano ee hore ee noqday mawduuca fiiro ma aha oo kaliya dadka caadiga ah, laakiin sidoo kale culimada. Waxa ay isku dayayaan in ay wax ka bartaan, makhluuqaadka intiisa wax walba oo dahsoon ka sida dhulka sameeyey noocan oo kale ah soo afjaridda sababta dinosaurs noqday bakhtiyeen. In kasta oo ay tahay mawduuc la soo dhaafay ka walaacsan inta badan saynisyahano kuwaas oo soo koraya iyadoo sanad walba marayay dheeraad ah iyo versions cusub oo dheeraad ah.

Dinosaurs noqday bakhtiyeen ka duushey leeska

No, waxa gabi ahaanba ma khuseeyaan duulaankii oo colalkii shisheeyaha. Xaaladdan oo kale, sababta ugu weyn ee eynu guud ee dinosaurs waxay muujinaysaa hawl ka mid ah meydadka oo jannada. Waxaa la rumeysan yahay in dinosaurs sababtoo ah mid ka mid ah arrimaha soo socda u dhintay, dayrta ee asteriyoodh weyn, dusha dhulka badan astiriyoodhada "duqeymo" ee, isku dhaceen dhulka ee la dhagax xiddig iyo horumar ah ee shucaaca qarax supernovaer sabab ama arrimo kale ee dabiiciga ah oo la mid ah.

waxbarashada Geological ayaa dhowr jeer xaqiijiyay xaqiiqada ah in dhulka oogadiisa ayaa si joogta ah u sakhiray in ay astiriyoodhada size kala duwan ku dhici. In gelinaya weeraryahanka version ah oo ku saabsan sababta dinosaurs noqday bakhtiyeen, ku dhaggan ee aragtida ah ee "duqeymo asteriyoodh" tilmaamaya taariikhda saxda ah ee la mid ah ee ay dayrta iyo dabar mass of dinosaurs. Waxaa xusid mudan in aragtida this, saynisyahano waxaa qayb ahaan uun taageeray: physicists ay sheegayaan in uu ahaa ku filan edinokratnogo dayrta, waxbarashada xiganaya bohol Chicxulub iyo xisaabaha ah sumalka uguma ee dhulka isku dhaceen hay'adaha kale ee samadu. Waxay yihiin Haseyeeshee horjeeda iyo paleontologists, ku dooday in isbedelka weyn ee ku dubato dusha dhulka ee dhici kartaa oo keliya oo sabab u ah hoos u soo noqnoqda. Noqo in sida waxaa laga yaabaa in, haddii ay taasi ma laha oo ka kaas oo dinosaurs ka edinokratnogo badan ama asteriyoodh. Waxa ugu muhiimsan waa in ay sabab u tahay of this inta badan noocyada ayaa lagu dhowaad edinomomentno baabbi'iyey.

Yimaadeen version a kala duwan ee kuwa sida sababta ugu weyn ee dhibcood dhimashada in la kordhiyo heerka shucaaca. Dhacdadani waxa ay, saynisyahano odhan, ayaa keentay in xaqiiqda ah in Earth ahaa ayaa bilaabay in ay helaan qorraxdu si yar sababtoo ah geeddi socodka jirka iyo kiimikada ka dhacay jawi dhulka ee. Taa awgeed, waxaa jiray qaboojinta baahsan in uu yahay saameynta dhaawici on noocyada qabow dilaa ah. Intaas waxaa sii dheer, heerka shucaaca ayaa daalaeday iyada oo layers Hawada, ayaa sidoo kale ay saamayn xun ku bayoolajiga faafin, iyaga yaraynta shiidaa eber.

Soo bandhigay aragti sababta dinosaurs noqday bakhtiyeen, waxaa, sidaas si la hadasho, qof hal dhinac. Sida caadiga ah, oo dhan "leeska" xiqiijiyay dhisay oo qabta ahaayeen wakiillo ka socda mid ka mid ah goobaha cilmi kuwan. Haddii ay taasi ma qaadan Karin in lagu xisaabiyo qodobada kale ee la si buuxda shaaca uga eynu ee noocyada.

version noolaha

Haddii waxaannu u jeesanaynaa dadka cilmiga kale, waxaa suurto gal ah in ay riixaan tiro kale oo ka mid ah aragtiyaha ku saabsan sababta dinosaurs noqday bakhtiyeen ka. The ugu horeysay oo ka mid ah waa aragtida ah isbedelada caalamka ee Dhulka. Waxaa la tixgeliyo dhowr arrimood, oo kala ah, dhaqdhaqaaqa taarikada ah, beddelo heerka badda, midhona, sida natiijo ah oo ka mid ah labada ugu horreeya - bootin ee heerkulka iyo isbeddel ah ee ka kooban of flora iyo hawada.

version labaad ee sababta dinosaurs noqday bakhtiyeen, waa isbedelka ee flora ee caalamka, oo ku salaysan dhaqdhaqaaqa of taarikada tectonic. Sidaas darteed, bahal ah ay awoodaan in ay si waxtar leh ka badan baabbi'iyo dinosaurs dhallinyarada iyo ukunta saareen, sidaas darteedna waxaa nidaaminaya taranka ee noocyada this jihada of hoos.

Kuwani waa aragtiyaha ugu weyn in isku day inaad sharaxdo sababta dinosaurs noqday bakhtiyeen. Sida aad arki karto, mid kasta oo iyaga ka mid ah ugu tiirsan factor kasta oo ka mid ah, oo inta kalena waxaa la siiyaa muhiimada sare. Taasi waa sababta ay muhiim ah in la isu geeyo qeybo ka mid ah fikradaha waxaa xaqiijiyay caddaymo qalab iyo, ku salaysan hal bandhigay.

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