Abin da shi ne mafi girma meteorite da cewa ya fadi a cikin ƙasa?

Masana kimiyya-astrophysicists daga Canada gardamar cewa taro juyi na meteorites bombarding mu tsawon jimrewa duniya, domin shekara ya wuce 21 ton. Amma a mafi yawan lokuta shi ke kada a gane shi a matsayin mutum zai iya tsayar da samun meteorites kawai wurin zama tabbatacciya zone.

Da rabo daga ƙasar surface na Duniya ne kawai 29%, da sauran na duniya sun shagaltar da tekuna. Amma daga wadannan 29% da ya dauki wuri ba sanaki mutum ko m for habitation. Saboda haka gano wani meteorite - wani babban rabo mai girma. Duk da haka, akwai wani batu idan wani meteorite ya samu wani mutum.

The idan akwai wani mai karo na wani meteorite tare da wani mutumin

A cikin dukan tarihin na faduwa na basamaniyai ga Duniya ne da aka sani a hukumance daya kawai rubuce hali na kai tsaye lamba tare da wani mutum daga cikin meteorite.

Haka ya faru a Amurka Nuwamba 30, 1954. Chetyrehkilogrammovy meteorite buga rufin gidan, da suka ji rauni ya kafa farka. Saboda haka, hadarin da cewa mutum shugaban iya fada mafi tsanani baƙi daga m sarari, har yanzu akwai. Ina mamaki da abin da shi ne mafi girma meteorite fadi a kan wannan duniya tamu?

Meteorites ya kasu kashi uku: dutse-baƙin ƙarfe da ƙarfe. Kuma a cikin kowane daga cikin wadannan Categories yana ta Refayawa.

The most dutse meteorite

In mun gwada kwanan nan, Maris 8, 1976, ya ba da sarari ga kasar Sin kyautar wata meteor shawa. A duwatsu fadowa zuwa surface for 37 minutes. Daya daga cikin auku samfurori auna 1,77 tons. Yana shi ne mafi girma meteorite cewa ya fadi a kasa, ciwon tsarin da dutse. Lamarin ya faru a kusa da Sin lardin Jilin. A wannan sunan da aka bai wa sarari da kuma bako.

Har yanzu, Jilin meteorite shi ne mafi girma meteorite dutse samu a duniya.

The most-baƙin ƙarfe meteorite

The most wakilin category-baƙin ƙarfe meteorite auna 1.5 tons. Mun same shi a 1805 a Jamus.

Fellow Jamus meteorite, samu a Australia, auna kawai 100 kg kasa da Jamus.

Amma duk zarce baƙin ƙarfe baƙo daga m sarari, da nauyi daga abin da yake goma sau fi duk da a baya sami meteorites.

The most baƙin ƙarfe meteorite

A 1920, a kudu maso yammacin kasar Namibia, an gano wani baƙin ƙarfe meteorite tare da diamita na 2.7 mita da kuma yin la'akari fiye da 66 ton! Zuƙowa a cikin wannan misali a duniya ba tukuna samu. An juya ta zama mafi girma a meteorite da cewa ya fadi a Duniya. Sunan da ya aka bai girmama na gona Hoba West, ma'abũcin wanda ya gudu zuwa cikin shi a lokacin da namo na filin. M shekaru na baƙin ƙarfe lumps ne 80 dubu. Years.

Don kwanan wata, meteorite Goba shi ne mafi girma guda block na halitta baƙin ƙarfe.

A shekara ta 1955, da most meteorite cewa ya fadi a kasa, Goba, da aka ayyana a zaman tunawa da kuma sanya karkashin jihar kariya. Shi ne mai zama dole gwargwado, tun shekaru 35, yayin da meteorite ya a cikin jama'a yankin, ya rasa a cikin taro na 6 ton. Sashe na daga cikin nauyi da aka rasa a sakamakon halitta matakai - yashewa. Amma babban taimako ga "slimming" tsari kawo da yawa yawon bude ido. Yanzu je cikin wani sarari suKe jiki mai yiwuwa ne kawai a karkashin kulawa da kuma na kudin.

Meteorites, kamar yadda aka ambata a sama, ba shakka, su ne mafi girma a cikin su category dukkan baya gano. Amma tambaya na abin da shi ne babbar meteorite fāɗi ƙasa, ya kuma kasance bude.

Meteorite cewa kashe dinosaur

Kowa ya san da bakin ciki labarin da nau'i nau'i na dinosaur. A dalilin mutuwar malamai har yanzu jayayya, amma version cewa m na bala'i ya meteorite ya zauna wata babbar.

A cewar masana harkokin kimiyya, da miliyan 65 da suka wuce da aka Duniya buga babbar meteorite da ya sa aka masifa a kan wani planetary sikelin. Meteorite fadi a kan ƙasa, wanda yanzu nasa ne Mexico - Yukotan sashin, kusa da kauyen na Chicxulub. Evidence wannan shi ne fall a 1970 samu wani tasiri a bakin dutse. Amma kamar yadda na ciki da aka rufe sedimentary kankara, nazarin meteorite aikata ba. Kuma kawai shekaru 20 daga baya, masana kimiyya ya kõma zuwa ga binciken.

A sakamakon wannan aikin ya bayyana cewa bakin dutse bar ta a meteorite, shi ne 180 km a diamita. Diamita daga cikin meteorite kanta da aka game da 10 km. Fadowa Impact makamashi ya 100 000 Tm a TNT (wannan kwantanta da na lokaci daya fashewa 2.000.000 most Fusion zargin).

An zaci cewa a sakamakon tasirin da wani meteorite kafa tsunami kalaman tsawo a lokaci guda bambanta daga 50 zuwa mita 100. Tashe tare da tasiri na wãtsarwa a cikin tam rufaffiyar shekaru da dama da Earth daga Sun, wanda ya jagoranci wani ban mamaki canjin yanayi. Acid ruwan sama da kuma maimaita manyan sikelin-gobara, exacerbates halin da ake ciki. A duniya zo analogue na nukiliya hunturu. A sakamakon wannan bala'i a mutu 75% na dabba da shuka iri.

Duk da haka a hukumance Chiksulubsky meteorite - mafi girma a meteorite da cewa ya fadi a duniya miliyan 65 da suka wuce. Ya kusan hallaka dukan rai a duniya. Amma a cikin tarihi na meteorites fada wa Duniya a size ya mamaye kawai uku wuri.

A farko daga cikin Refayawa

Mai yiwuwa biliyan 2 da suka wuce a meteorite fadi zuwa duniya, wanda ya bar wata alama a kan bãyan tẽkun, tare da diamita na 300 km. Kansa a meteorite wai yana diamita na fiye da 15 km.

A bakin dutse bar bayan faduwar, shi ne a kasar Afrika ta Kudu, a lardin Free State kuma aka sani da Vredefort. Wannan shi ne mafi girma da tasiri bakin dutse, da kuma bar shi ne mafi girma a meteorite da cewa ya fadi a Duniya, a tarihin duniya tamu. A shekarar 2005, da Vredefort bakin dutse da aka jera a matsayin UNESCO ta duniya Heritage Site. The most meteorite da cewa ya fadi a Duniya, photo a kan memory na da kansa bai bar, duk da haka, wata babbar tabo ba zai ba da damar zuwa manta game da shi a cikin wani nau'i na bakin dutse a farfajiya na duniya tamu.

An lura da cewa faduwar meteorites, wanda ake auna girma akalla dubun mita, na faruwa a kan jinkiri na daruruwan shekaru. A ya fi girma meteorites fada ko da rarer.

Masana kimiyya hasashen cewa a 2029 da Earth son ya ga wani sabon bako.

Meteorite mai suna Apophis

Meteorite ke barazana duniya tamu, mai suna Apophis (sunan zmeeboga, wanda shi ne kishiyar na rana bautãwa Ra a zamanin d Misira). Sauke shi a ƙasa, ko kuma har yanzu rasa da kuma wuce kusa da duniya, ba a sani. Amma me zai faru idan ka har yanzu haɗu da zai faru?

karo labari na Apophis tare Duniya

Saboda haka, an san cewa diamita daga Apophis ne kawai 320 mita. Idan ka fada wa Duniya faru tsãwa ce guda, daidai a iyãwarsa na 15 000 ragargaza kika aika a Hiroshima.

Idan Apofis shirya zuwa ɓangaren duniya, a can zai tasiri bakin dutse da ciwon zurfin 400-500 mita da diamita na zuwa 5 km. A sakamakon fashewar kalaman da zai hallaka babban birnin tsarin a nesa na 50 km daga cibiyar. Da gine-gine da ba su da karfin da wani tubali gidan za a halakar a nesa na 100-150 km. girgijen ƙura yakan zuwa tsawo na dama kilomita, sa'an nan zai rufe dukan duniya.

Stories yada ta kafofin watsa labarai game da makaman nukiliya hunturu da kuma karshen duniya ne ma karin gishiri. The girma na meteorite domin irin wannan effects ne ma kananan. Zai yiwu ragewan da yawan zafin jiki da 1-2 digiri, amma watanni shida daga baya ta kõma, zuwa al'ada. Wannan shi ne portend bala'i, idan ka har yanzu faru ya zama nisa daga duniya.

Idan Apophis da dama a cikin teku, wanda shi ne mafi kusantar su bayyana tsunami cewa za ta rufe bakin teku yankunan. Kalaman tsawo a cikin wannan hali zai dogara ne a kan nesa tsakanin tudu da wuraren meteorite. A farko kalaman iya samun tsawo na mita 500, amma idan Apophis zai fada a tsakiyar teku, da kalaman kai Coast, ba zai wuce 10-20 mita. Ko da yake shi ne kuma quite tsanani. A hadari zai ci gaba domin da yawa hours. Dukkan wadannan abubuwan da suka faru kamata a yi la'akari ne kawai kamar yadda zai yiwu tare da wasu yiwuwa. Saboda haka ko ba Apophis gamu da wannan duniya tamu?

Da alama na Apophis bugawa da ƙasa

Apophis zai rubuce barazana duniya tamu sau biyu. A karo na farko - a 2029, sa'an nan - a 2036-m. Bayan yin lura ta amfani da radar kungiyar masana kimiyya Yiwuwar a karo na wani meteorite da ƙasa gaba daya cire. Kamar yadda na 2036, kamar yadda na yau da damar karo na wani meteorite da Duniya ne 1: 250 000. Kuma da a kowace shekara kara daidaito lissafin karo yiwuwa rage-rage.

Amma ko da tare da irin wannan yiwuwa ya bayyana daban-daban versions na tilasta karkata daga cikin shakka daga Apophis. Kamar wancan Apofis ne wani abu ban sha'awa wajen kira fiye da dauke barazana.

A karshe, mun lura cewa meteorites karfi hallaka lokacin da shigar da yanayi na duniya. Lokacin da gabatowa da duniya kudi na fall na baƙi daga sarari ne 10-70 km / s, da kuma a lamba tare da wata iskar gas yanayi da ciwon gwada da high yawa, meteorite zazzabi ƙãra zuwa m, kuma shi ne kawai ƙone ko dai sosai karfi kaskanta. Saboda haka, yanayi na duniya tamu ne mafi kyau m da intruders.