Goba meteorite (Hoba) - a duniya, most

"Space gabatar da" fāɗi ƙasa quite sau da yawa. Sun zo a cikin daban-daban masu girma dabam, amma mafi yawan su ne kananan wani ɓaɓɓake, wanda gane wani unearthly asalin ba sauki. Masana ilmin ma sun gudanar da lissafi da cewa a kusan dubu 100 ton na meteoritic abu da dama a cikin wani shekara a duniya. Duk da haka, daga gare su, suna lokaci-lokaci samu da kuma Aerospace giant. Daya daga cikin wadannan cosmic gawarwakin ne Goba - mafi girma daga cikin meteorites samu.

Me meteorites ne rare

Mutane da yawa da tambaya: "Don me meteorites zo fadin haka da wuya?" Lalle ne, dubu 100 ton a kowace shekara - wani adadi wajen babban, amma yawanci meteorite, niƙaƙƙun gaɓãɓuwa yin la'akari da dama kilo, da kuma wani lokacin har a gram. Ba kowa ba ne zai iya fahimtar cewa ƙarƙashin ƙafafunsa ba kawai ƙanƙara, a sarari dan hanya. The kananan size of meteorites saboda gaskiyar cewa m jiki ne mai tsanani da kuma fitilu lokacin shigar da yanayin duniya. Kan aiwatar da ablation, sakamakon ƙwarai rage taro na abu. Mafi yawa daga cikin bawo zuwa cikin wani sarari suKe duniya ta surface ba ya isa a duk. Af, ablation - shi ne a lokacin da wani surface wani m abu barbashi entrained rafi na zafi gas ko ta hanyar radiation.

Kamar yadda aka gano da most meteorite a duniya?

Evidence a matsayin mafi girma a meteorite Goba fadi zuwa duniya, ba samu. A gaskiya wannan ya faru a cikin prehistoric sau, a lokacin da m mutum bai san rubutu. Amma shi samu akwai wata babbar "dutse na sama" mafi banal hanya. A lokacin plowing ƙasarsa savanna Afirka manomi daga Namibia kamu da wani abu sosai babban garma. Mai gyaran ƙasar, manomi ya gane cewa motsi daga wuri na wannan dodo ne kawai zai yiwu ba. M jiki ja hankalin masana kimiyya suka yi ya tabbatar da Extraterrestrial asalin. Sun yi kasafin gano wannan sunan kamar yadda yake da na gona, inda aka samu - Hoba West Farm. Wannan taron ya faru a 1920.

Wani manomi wanda ya aikata wani musamman samu, da ake kira Jacobs Brits. Ya zo domin ya Namibia daga Birtaniya. A musamman find ba shi da damar da za a wadãtar ta hanyar sayar da meteorite a sassa a matsayin tsarabobi ko ga sauran dalilai. Amma ya dauki irin wannan mataki shi ne ba daidai ba, kuma ya ƙiya riya tayi. A manomi ya ba da find Gwamnatin Namibia, ba nan da nan, ba shakka, amma gabatar.

Weight da kuma girma daga cikin mafi girma meteorite

Auna meteorite masana kimiyya ba su yi nasara. Sun yi lissafin da kuma gano cewa, a lokacin da shi detects wani meteorite auna game da 66 ton. Bugu da kari, ka'idar da aka sa a gaba da cewa a lokacin da fall na Duniya, game da 80 dubu. Shekaru da suka wuce, wannan ya kasance da jiki nauyi a cikin 90 ton. Amma a yau za mu iya ganin 60-ton meteorite Goba kamar yadda yashewa, gan kashe guda na bincike da kuma halin rushewa na yawon bude ido rage muhimmanci da nauyi.

Girma meteorite Goba yau dokoki 2,7h2,7h0,9 m Its girma -. 9 m³.

A abun da ke ciki na meteorite

Daga yawa karatu, masana kimiyya sun iya samun ra'ayin na abun da ke ciki na "baƙo". Sanar cewa meteorite Goba (Namibia, 1920 YG) kunshi 84% na baƙin ƙarfe, 15% nickel da cobalt impurities. Aƙalla 1% ne impurities sauran abubuwa. A babba Layer kunshi baƙin ƙarfe hydroxide. Crystalline tsarin aka bayyana a matsayin nickel ataxia.

Saboda haka, meteor Goba dangana ga baƙin ƙarfe. Don taimaka ƙara da cewa rarrabuwa meteorites kasu kashi 3 iri, bisa laákari da abun da ke ciki:

1. Meteorites daga ma'adinai kayan kira dutse.
2. karfe meteorites kira siderites ko kuwa baƙin ƙarfe.
3. "Bare" da mixed kayan ne ake kira da baƙin ƙarfe-dutse.

Nau'in taimaka wajen kungiyar da samfurori da na kowa asalin. Meteoritic abu na iya zama wani bangare na duniya, asteroid ko da tauraron dan adam, wani abu daga cikin hasken rana tsarin da cewa a halin yanzu akwai ko wanzu a baya. Amma wannan rarrabuwa ne ba tukuna karshe, zai iya, kuma za a fadada.

Goba wasanin gwada ilimi inda bakin dutse?

A babbar meteorite masanin kimiyya jefa jerin wasanin gwada ilimi. Daya daga cikinsu - cikin rashin wani bakin dutse. Domin wasu dalilai, da sarari baƙo komai a fili sai da taushi da cewa zai iya ci gaba a cikin siffar da ba watsar da wani tari na tarkace. Fadowa bala'i bai faru, da kuma bakin dutse bar. Ko da yake a kananan bakin dutse iya bayyana sa'an nan ya karye tare da nassi na lokaci. Yana yiwuwa cewa fall faru a wani sosai kananan kwana.

Wani asiri - na musamman fom

Meteorite Goba yana da matukar m siffar. Babbar boulders kama kusan cikakkiyar parallelepiped. Shards na hasken rana tsarin abubuwa irin nau'i fadi a ƙasa ne musamman rare, kuma sun kasance yawa karami giant Goba.

Masana kimiyya ne abin mamaki ba ne kawai da siffar amma kuma da irin zane na cikin matsanancin surface na meteorite. A sabon ne m, kuma ta surface ne kusan lebur. Da farko, da cosmic jiki launi ya blue-baki, amma cikin yanayin duniya yana dauke da carbon dioxide, da kuma 'yan qasar da baƙin ƙarfe, da wanda meteorite ya ja.

Mamayewa na yawon bude ido

Da zaran ya zama sananne inda meteorite Goba a Jacobs Field Brits fara aikin hajji na yawon bude ido. Sun tattake amfanin gona da kuma bagure guda na memory. Don rayuwa da kuma aiki a kan gona ya zama da wuya, da kuma manoman fara tambayar gwamnati da ta sa kariya. Yana da aka dama da shekarun da suka gabata kafin Namibia gwamnati yanke shawarar kulawa da bukatar da manomi. Meteorite Goba aka zayyana a kasa abin tunawa a shekarar 1955 kawai. Duk da haka, masu yawon shakatawa sun yi watsi da gwamnatin ban da ci gaba chipping tsarabobi.

Zuwan da yawon shakatawa cibiyar

Karshe canja wuri na gona ƙasar "Goba-West" da kuma meteorite kansa ya faru a shekara ta 1988. 3 shekaru kafin wannan Events Company Rossing Uranium Ltd. Na sa mai tsaro a kusa da meteorite daga kansa kudi. Kuma halakar da dan hanya kasa dakatar. dan yawon shakatawa cibiyar da aka kafa bayan da canja wurin da ƙasa a kusa da. Da karkararta ne masu garu, da kuma ƙofar fee da aka dauka. A kudi ke da cibiyar beautification. Saboda haka je meteorite da kuma hoton a kan bango ne a yanzu daraja da kudi.

A cibiyar da kanta ne kamar Botanical lambu. Akwai dasa daban-daban itatuwa, sanya bayanai allon. A duk bangarorin converge wajen cibiyar m hanya, located in tsakiyar wata uku-tiered waje amphitheater da matakai da zai kai ga "gwarzo na lokaci." Equipping yawon shakatawa cibiyar, da hukumomin fahimci cewa mutane je can kawai saboda wani meteorite Goba, don haka ba su da yawa himma, ennobling da kewaye panorama. Wasu bayanai allon ba dauke da gwargwadon muhimmanci bayanai kamar mutumci. Daya daga cikin su aka rubuta a cikin harsuna da dama: "Ku yi hankali fadowa meteorites."

A gaskiya, da yawon shakatawa cibiyar kusa da meteorite iya an kauce masa. Hujjar cewa a 1954 wannan dutse cosmic asalin so ya saya Natural History Museum a New York. An kasaftawa wata babbar Jimlar kudi, amma fuskanci wani m aiki a gaban gidan kayan gargajiya ma'aikatan: don ya dauke da kuma matsawa dogon nesa musamman abu. Nemo mafita ga wannan matsala kuma ba zai iya, saboda haka, ra'ayin sayen gidan kayan gargajiya ƙiya.

biyu Zakaran

Meteorite Goba za a iya gani a matsayin wani biyu Zakaran. Da fari dai, kamar yadda aka ambata a baya, shi ne mafi girma a wani sarari suKe abu samu a Duniya. A gaskiya, wannan cosmic abu - mafi girma a 'yan qasar yanki na baƙin ƙarfe a duniya. Abu na biyu - da shi ba budge. Game da 80 da dubu. Years Manzon sammai ne daidai inda da zarar fadi.