MapangidweSayansi

Panspermia - ndi kungoganizira za maonekedwe a moyo padziko lapansi. umboni wa panspermia

Pakati pa ziphunzitso za chiyambi cha moyo Padziko Lapansi panspermia kungoganizira losaiwalika. Mfundo imeneyi zosowa ndithu. Limati moyo padziko lathuli ali ndi chikhalidwe dziko. mazira ake anafika ku dziko ndi thupi lakumwamba (mwachitsanzo nyenyezi) kapena chombo mlendo. Panspermia - ndicho lingaliro, maonekedwe amene amagwirizana ndi dzina nzeru zapamwamba wakale Aristotle. Gululi chiphunzitso wakhala anakhalako m'zaka za zana XVII-XVIII. Gotfrid Leybnits. Komatu pa chiyambi cha panspermia XX m'ma zinatha kwa nzeru ndi yotengedwa ndi chowaloleza osiyana ndi zitsanzo.

cheza panspermia

Mu 1908, Swedish wasayansi Svante Arrhenius atapereka lingaliro, wotchedwa panspermia chiphunzitso cheza. The wasayansi adati spores bakiteriya anali woyamba mu dziko pambuyo kusamuka kuchokera kumadera chonse. Chifukwa cha ichi "kusamuka" Arrhenius anamva kuthamanga kwa dzuwa (kuwala kapena zina nyenyezi yaikulu).

Izi kungoganizira panspermia ali kumbali ambiri. The zambiri makolo moyo, asayansi awa amene amadzitcha Venus, kumene kutentha zosagwira tizilombo mukhoza kufika pa Dziko Lapansi nthawi imene mapulaneti awiri anali pa pazipita pang'ono Chrixitu.

Factor kuwala kuthamanga

Kupezeka kwa kuthamanga kuwala pamaso Arrhenius anatsimikizira experimentally Russian wasayansi Pyotr Lebedev. Komanso ali kusanthula zotsatira za zodabwitsazi pa Lycopodium spores (Lycopodium). Pa nkhani imeneyi, cha m'ma XIX, chiphunzitso cha panspermia inatheka chifukwa Ferdinand Cohn, Yusto Von Liebig, Germanom Gelmgoltsem, ndi ena asayansi otchuka nthawi yake.

Komabe, m'zaka za m'ma XX, lingaliro ili lakhala kudzudzulidwa ndi ofufuza zosiyanasiyana. Ena mwa iwo anali Iosif Shklovsky, Carl Sagan ndi ena. Otsutsa kukana umboni wa panspermia, pa chifukwa chakuti yaitali danga kusamuka simungakhoze kuchita popanda zowononga mkangano cheza mlingo.

alendo malo

Mu zowombetsa mkota mtundu wa chiphunzitso panspermia akuti kuti zingalowe, omwe amatha kuyenda pa mabakiteriya yaitali ukhala, sayenera kusokoneza moyo wawo, popeza kutentha pa otsika kwambiri, maselo ali zii (inaimitsidwa makanema ojambula). Theoretically alendo ngati kuti "kudzuka" yomweyo atafika padziko lapansi, kumene anayamba omasuka zikomo nyengo kwa mwangozi cha mavuto ambiri.

Mfundo pamwamba akhala limatsutsa akatswiri a masiku ano. Studies zasayansi asonyeza kuti zingalowe m'malo mwa selo malo chabe kuyaka moto chifukwa evaporation madzi superfast mwini. Chifukwa ndondomeko iyi tizilombo anawonongedwa ndi kuthamanga kwambiri mkati. Izi mtsutso waukulu wa akatswiri amene amakhulupirira kuti cheza panspermia - nthano.

Litopanspermiya

mtundu wina wa panspermia - litopanspermiya. Woyambitsa ndi chiphunzitso cha Melvin Calvin ankakhulupirira kuti zoyambira za moyo mukhoza kufika pa dziko, pamodzi ndi kugwa kwa miyala yochokera a. Kufikira tsopano, mfundo panspermia sichinayambe pogwiritsa yamalonda kake.

Padziko Lapansi kwenikweni zotsala ting'onoting'ono meteorites yopsereza m'mlengalenga. zomangira anaphunzira zosiyanasiyana asayansi, koma palibe amene koma wakhoza kuwapeza kapena iwo limafotokoza za moyo. Asayansi yekha ena atathana zinthu kwachilengedwenso (mwachitsanzo mafuta zidulo ndi amino zidulo).

lingaliro nyenyezi

kungoganizira wina za maonekedwe a moyo Padziko Lapansi, amagwirizana ndi panspermia, otchedwa chiphunzitso nyenyezi anafotokoza m'buku la Freda Hoyla "mtambo moyo". M'buku lino, wolemba wakhala akuyesetsa kuti atsimikizire imawonongeratu wa lingaliro lawo pa chitsanzo cha miliri lonse HIV (kuphatikizapo chitsanzo cha Spanish chimfine oyambirira XX m'ma). Hoyle adafotokoza kuti misa matenda (matenda) singalifotokoze anachokera cometary. Mu njira yomweyo monga mavairasi, Earth akanakhoza kutenga moyo, wolemba walitenga.

Ndi mfundo zawo ndi adani a chiphunzitso cha chiyambi cometary mabakiteriya. virologists ambiri amavomereza kuti Mwachitsanzo, chimfine mliri mu Hong Kong pa 1968-1969. zambiri zomveka anafotokoza kufala kwa matenda kwa anthu ndi kusanduka ake polimbana ndi chitetezo cha m'thupi, kuposa lingaliro la mizu yake kwa dziko. Komanso, litopansermiya - kungoganizira kuti simungathe kuzifotokoza ngati chammwamba ndi bakiteriya ali mu dongosolo la zowalitsa ku kachitidwe kena nyenyezi, pamene, mwinamwake, pali zizindikiro za moyo.

imatsogoleredwa panspermia

Mu 1970, ntchentche. mu asayansi pali chiphunzitso china molimba mtima chiyambi cha moyo Padziko Lapansi - imatsogoleredwa panspermia. amanena sakanakhala ngati osati mutu ndiye-wotchuka wa nzeru zakuthambo. Ngati inu mukukhulupirira panspermia analamulira, mbewu zoyambirira za moyo Padziko Lapansi pa behest wa chitukuko ena, alipo penapake mu kuya kwa malo. Mwina spores ndi mabakiteriya yatumizidwa pa makina apadera, ndipo amachita izo zonse kwa chilengedwe cha njuchi kapena a kafukufuku wa sayansi.

Othandiza lingaliro la panspermia imatsogoleredwa monga umboni wake timakumbutsidwa kuti zamoyo zonse lapadziko ndi mu dongosolo awo ali osowa pa dziko zitsulo wathu, kuphatikizapo molybdenum. Chifukwa china lagona pa chikhalidwe cha malamulo chibadwa. Chiyambi cha zodabwitsazi akadali asanamvetsetse. Chifukwa cha mawanga ambiri woyera ukuwonekera maganizo kwambiri tingaganize, makamaka amanena za imatsogoleredwa panspermia. Kuikiradi ake kuti zomera zonse lapadziko wotsikayo kuchokera ku kholo limodzi (bakiteriya), anawonekera kuno kuyamika ndi chitukuko zakuthambo. Pakali pano, pali palibe palibe umboni wooneka bwino wa kukhalapo kwa alendo ndi maulendo awo Earth.

fumbi dziko

Wina amanena panspermicheskaya inali maganizo oti dziko lapansi unapangidwa kuchokera ku fumbi dziko, amene anali majeremusi a moyo. Pankhaniyi, mabakiteriya anathandiza yekha ndi kukhala ndi kutentha khola pa dziko latsopano. Komabe, kafukufuku asayansi asonyeza kuti mu magawo oyambirira linakhalapo, dziko lapansi linali ndi red-hot mpira, zomwe wapitiriza kuziziritsa pa ambirimbiri zaka.

Komabe fumbi dziko monga chotengera cha moyo umakhoza padziko lathuli patapita nthawi yaitali. Izi kungoganizira wina, amene akumufunsira panspermia. Mwachidule, mfundo izi ndi untenable kuti 1970 ndi. Iye anatsimikizira kuphatikizapo wasayansi Soviet Lev Mukhin. Aliyense mankhwala zovuta organic pamaso kuwonekera dziko, ayenera kugonjetsa m'mlengalenga, kumene combusted pamodzi ndi meteorites ndi zinthu zina danga.

"Live" mvula

Kutsutsana Recent za chikhalidwe cha moyo padziko lapansi anayamba danga mu 2001, pamene boma India Kerala yapadera wofiira mvula. The exclusivity wa zodabwitsazi zachilengedwe sanali kokha zosayembekezereka olimba. Pakuona lipoti mvula kuti mvula pamaso anaona mikuntho kwambiri komanso wamphamvu ndimakwiya kuwala.

The chodabwitsa cha mvula wofiira ali chidwi asayansi ndi Amateurs kuchokera konsekonse mu dziko. kuwonjezera maphunziro asonyeza kuti chifukwa chenicheni cha zobwera particles mtundu zitsulo kuti analipo mu madzi mu mawonekedwe a slurry ndi. zomverera amachitira anali mikangano. Pakuti kumbali ya panspermia mfundo imeneyi koma mkangano wina mokomera mfundo za chiyambi cha dziko la moyo padziko lapansi.

woyamba mvula choncho kuchokera spores, amene kale pa dziko sanayambe wakhoza kupita uko pa mabilioni Dziko zaka zapitazo? Akatswiri ambiri anamasulira zochitika mu India mulimonse. Asayansi apeza kuti spores amene anagwa pamodzi ndi mvula wofiira, a epiphytes wa - zomera otchuka maganizo kukula kulikonse mu gawo ili la dziko. Choncho, precipitations tabadwa yanthaŵi makope zinthu organic m'chilengedwe. Komabe, yomwe akutchulidwa ya mvula ofiira Kerala anasonyeza bwanji hypothetically chingachitike kulamulira la Dziko moyo.

The Search akupitiriza

Pakali pano, palibe munthu ndipo sanathe kupeza umboni wa moyo kupitirira Lapansi (kuphatikizapo pa nkhani meteoritic Ufumuyo dziko lachitatu la dongosolo la zowalitsa mlengalenga). Nthawi atolankhani kuoneka mfundo zokopa za anapezazo zimenezi, koma kwenikweni ndi kutanthauzira kolakwika mfundo kapena mwadala bodza. Nthawi zambiri, thupi kutenga mankhwala zochita kupanga ngati bakiteriya. Komanso kugwa pansi, dziko kanthu "wowonongeka" Moyo wapadziko lapansi, zomwe zina zimawasokoneza iwo akuona.

mfundo zonsezi zikusonyeza kuti panspermia - ndi n'ngwokayikitsa kungoganizira, yomwe alibe umboni m'munsi. Komabe, wosakhazikika sayansi sanaletse pali asayansi okonda pitirizani kufunafuna mfundo kuthandiza mfundo zoterezi.

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