SamuwarKimiyya

Abun da ke ciki Neptune yanayi. Janar bayani game da duniyar da Neptune

A m kwana na duniya domin kowa mutum a sau rage zuwa girman da aikin da kuma a gida. A halin yanzu, idan muka dubi sama, za mu iya ganin yadda bai isa a kula da shi shi ne a kan sikelin da sararin samaniya. Watakila wannan ne ya sa matasa romantics mafarki don su bada kansa ga ci na sararin samaniya da kuma nazarin taurari. Masana kimiyya, ilmin Taurari sun taba ga wani lokacin manta da cewa, a cikin Bugu da kari ga Duniya, tare da matsaloli da kuma murna, akwai mutane da yawa da sauran m, kuma m abubuwa. Daya daga cikinsu - da duniyar da Neptune, na takwas a kan mataki na karkara daga Sun, m to kai tsaye kallo da haka ninki biyu m ga masu bincike.

Ta yaya shi duka ya fara

Ko da a cikin tsakiyar XIX karni, da hasken rana tsarin, bisa ga masana kimiyya, dauke da kawai bakwai taurari. Makwabta na Duniya, kusa da na nesa, da aka yi karatu tare da yin amfani da duk samuwa nasarori a kan aikin injiniya da kuma sarrafa kwamfuta. Mutane da yawa daga cikin halaye da aka bayyana da farko a ka'idar, sa'an nan a sami m tabbatarwa. Tun da lissafi na sarari suKe na Uranus, halin da ake ciki shi ne da ɗan daban-daban. Thomas Dzhon Hassi, falaki da firist, sami wani hilafa tsakanin da ainihin yanayin na nufin motsi na duniya. A ƙarshe zai zama daya kawai: akwai wani abu, wanda rinjayar da kewayewa na Uranus. A gaskiya, wannan shi ne na farko rahoton na duniya Neptune.

Bayan kusan shekaru goma (a 1843) a lokaci guda, biyu masu bincike lasafta, iya matsar da duniya, tilasta yin dakin for wasu daga cikin gas giant ta falaki. Da shi shi ne Banasare Dzhon Adams da kuma Faransa Urbain Le Verrier. Da kansa daga juna, amma tare da daban-daban daidaito suna m hanya motsi na jiki.

Ganewa da kuma katin shaida na

Neptune da aka samu a cikin dare sama falakin Johann Gottfried Galle, Le Verrier wanda zo tare da lissafin. Faransa masanin kimiyya, sa'an nan a sashe tare da Halle kuma Adams daukaka majagaba, ya yi kuskure a cikin lissafin kawai a kan mataki. Neptune hukumance bayyana a cikin kimiyya da rubuce-rubucen na 23 ga watan Satumba, 1846.

Da farko, da duniyar da aka tambaye su suna da sunan KZ, amma wannan nadi ba sanda. Masana ilmin aka fi wahayi zuwa gare ta gwada sabon wurin da Sarkin tekuna da kuma teku, kamar yadda dan hanya Terra firma a matsayin, a fili, da kuma gano duniya. Neptune Name Verrier da shawarar da goyon V. Ya. Struve, wanda gangarawa cikin Pulkovo Observatory. Sunan da aka bai, kawai zai iya fahimtar abin da abun da ke ciki na Neptune ta yanayi, ko yana a duk abin da ya ta'allaka a cikin zurfin, da sauransu.

Idan aka kwatanta da Duniya

Tun lokacin da aka gano yana da wani dogon lokaci. Yau, a kan takwas duniyar tamu na hasken rana tsarin da muka sani don haka yafi. Neptune ne mafi girma daga cikin Duniya a size: da diamita ne mafi girma daga game 4 sau, da kuma nauyi - 17 sau. Great nisa daga Sun bar babu shakka cewa yanayin a duniya Neptune har muhimmanci daban-daban daga cikin Duniya. Ga akwai iya zama wani rai. Yana ba ko da a cikin iska ko wasu m events. A yanayi da kuma surface na Neptune ne kusan daya tsarin. Wannan shi ne halayyar duk gas Refayawa, wanda sun hada da, kuma wannan duniyar tamu.

A hasashen surface

Planet yawa muhimmanci na baya ƙasa (1.64 g / cc), inda kafar a kan bãyan tẽkun shirya. Kuma kamar yadda irin wannan shi ne ba. Level surface shirya su gane most matsa lamba: tausasa da kuma wajen kama da ruwa "m" da aka located a cikin ƙananan yanayi, inda matsa lamba ne daidai da daya mashaya da, a ainihi, shi ne wani ɓangare. Duk wani sako ga duniya Neptune a matsayin sarari abu na musamman size dogara ne a kan wannan definition na kirkiran giant surface.

Samu a mayar da martani ga wannan musamman sigogi kamar haka:

  • diamita a ekweita na 49,5 km dubu .;

  • ta size a iyakacin duniya jirgin sama - kusan 48,7 dubu. km.

A rabo daga wadannan halaye sa Neptune siffar nisa daga cikin da'irar. Ya, kamar shudi duniya, dan kadan flattened a zura sandunan ɗaukarsa.

Abun da ke ciki yanayi Neptune

A cakuda gas enveloping duniya, da abun ciki ya bambanta ƙwarai daga ƙasa. The saran wani ɓangare na hydrogen (80%), da matsayi na biyu ne helium. Wannan inert gas ne mai muhimmanci wajen bayar da gudunmawar da abun da ke ciki na yanayi Neptune - 19%. Methane ne kasa da kashi daya, na faruwa ma a nan ammonia, amma a bai isa a kula yawa.

Oddly isa, daya bisa dari na methane a cikin tsarin karfi da ke shafar abin da irin yanayi na Neptune, kuma abin da duk gas giant daga mahangar wani waje Kiyayewa. Wannan sunadarai fili shi ne duniya ta girgije, kuma ba ya gani haske tãguwar ruwa m zuwa ja launi. A sakamakon haka, Flying da kumbon sama jannati Neptune YAKE fentin a zurfin blue. Wannan launi - daya daga cikin asirai na duniya. Masana kimiyya har yanzu ba su da cikakken san abin da daidai take kaiwa zuwa ga sha na ja ɓangare na bakan.

All gas Refayawa ayan gaban wani yanayi. Neptune tsaye a waje, daga gare su ne launi. Saboda da irin wannan halaye kira wani kankara duniya. Ƙẽƙasasshiya methane, ta zama ƙara nauyi idan aka kwatanta da wani dutsen kankara Neptune shiga a cikin abun da ke ciki na alkyabbar kewaye da zuciyar na duniya.

ciki tsarin

M abu core qunshi baƙin ƙarfe, nickel, magnesium da silicon mahadi. A da ginshikin ne kamar daidaita da taro na dukan duniya. Saboda haka, sabanin sauran abubuwa na ciki tsari, shi yana da yawa wucewa kama siga Blue duniya sau biyu.

A core aka rufe, kamar yadda aka ambata riga, da alkyabba. Its abun da ke ciki shi ne kama a mutunta mutane da yawa zuwa yanayin: a nan gaban ammonia, methane da ruwa. Layer nauyi ya goma sha biyar duniya, yayin da shi ne zafi (har zuwa 5000 K). Alkyabbar yana da wani sarari iyaka, kuma yanayi na duniya Neptune smoothly gudana a cikin ta. A cakuda helium da hydrogen ne a sama na tsarin. Smooth hira da daya kashi zuwa wani, kuma m iyaka therebetween - Properties halayyar duk gas Refayawa.

bincike matsaloli

Karshe game da abin da yanayi na Neptune, wanda shi ne na hali da tsarin, sanya sun fi mayar a kan tushen da riga samu data game Uranus, Jupiter kuma Saturn. Distance daga duniyarmu ne muhimmanci da ke sa shi wuya a nazarin.

A shekarar 1989, kusa da Neptune ta tashi kumbon sama jannati "Voyager 2". Da shi shi ne kawai gamuwa da kankara giant da duniya Manzo. A fruitfulness na shi, duk da haka, a bayyane yake: mafi yawan bayanai game da Neptune kimiyya ya bayar da wannan sosai jirgin. A musamman, da "Voyager 2" same manyan da kananan duhu aibobi. Dukansu mãsu yin baƙi yankin sun kyau a bayyane da shudi yanayi. Don kwanan wata, shi ne m abin da yanayi ne na wadannan abokai, amma shi ne a zaci cewa wannan Eddy igiyoyin ko cyclones. Sun bayyana a cikin sama da yanayi da kuma a babban gudun kara a kewayen duniya.

tutur motsi

Mutane da yawa daga cikin sigogi kayyade gaban wani yanayi. Neptune characterizes ba kawai m launi, amma kuma da m motsi halitta da iska. The gudun da wanda girgije kewayewa duniya a ekweita, fiye da dubu kilomita awa. Ta haka ne suka matsa a gaban zumunta juyawa game da axis of Neptune shugabanci. A daidai wannan lokaci shi dai a kusa da duniya ko da sauri: cikakken juyawa daukan 16 hours da kuma 7 da minti. Don kwatanta, daya juyin juya halin a kusa da rana daukan kusan 165 shekaru.

Wani wuyar warwarewa: iska gudun a cikin yanayi a gas giant qara da nesa daga rana da kuma kololuwa a kan Neptune. Wannan sabon abu yana da ba tukuna kasance karatu, kazalika da wasu fasaloli na da yawan zafin jiki na duniya.

kadan rarraba

A yanayin a duniya Neptune halin da hankali canji na zazzabi, dangane da tsawo. Daya Layer na cikin yanayi, inda surface aka sharadi, cikakken yayi dace da na biyu sunan sarari jiki (kankara duniya). Da yawan zafin jiki aka saukar zuwa kusan -200 ºC. Lokacin da ya koma daga surface na sama, shi zai muhimmanci ƙara zafi har zuwa 475º. Masana kimiyya har yanzu ba su samu wani bayani mai kyau na wannan canje-canje. Kamar yadda sa ran, Neptune yana da wani ciki zafi Madogararsa. Irin wannan "hita" Ya kamata nuna biyunta makamashi kamar yadda duniya zo daga rana. A zafi daga wannan tushen a hade tare da wani drifted nan daga mu Energy Star, mai yiwuwa ne dalilin da tsananin iska.

Duk da haka, ba hasken rana kuma ciki "hita" ba zai iya ta da yawan zafin jiki a kan surface haka cewa akwai wani m canji na yanayi. Ko da yake wasu yanayi na wannan ne ya sadu, saboda ya bambanta da hunturu daga rani zuwa Neptune ba zai yiwu ba.

magnetosphere

Research "Voyager 2" taimake masana kimiyya ƙarin koyo game da halin maganaɗisu filin na Neptune. Yana da yawa daban-daban daga ƙasa: tushen ba located in tsakiya da kuma a alkyabbar, don haka da cewa Magnetic axis na duniya ne karfi da canja zumunta a cikin hedkwatarsu da.

Daya daga cikin ayyukan da filin - daga hasken rana da iska kariya. Samar da Neptune magnetosphere ƙwarai elongated: aminci line, a wani yanki na duniya, wanda aka haska, located a nesa na 600 dubu km daga samanta, kuma a gefen - fiye da miliyan 2 kilomita ..

Voyager rubuta irin ƙarfin lantarki rashin zaman lafiya a filin da kuma wurin da Magnetic filin Lines. Irin wannan Properties na duniya ma ya ba bayyana har karshen kimiyya.

zobba

A ƙarshen XIX karni, a lokacin da masana kimiyya sun yi bincike ga amsar tambayar ko akwai wani yanayi a kan Neptune, akwai wani kalubale a gaban su. Yana da ya wajaba don bayyana dalilin da ya sa tare da hanya na takwas duniya ta star fara Fade ga Kiyayewa kadan a baya fiye da Neptune fuskanta zuwa gare su.

Warware matsalar ya faru ne kawai bayan kusan karni. A shekarar 1984, tare da taimakon wani iko kawo nesa kusa iya gani sosai haske zobe na duniya, daga baya suna da sunan daya daga cikin discoverers na Neptune - Dzhona Adamsa.

Bugu da ari karatu sun sami 'yan kama da tsarin. Sai suka rufe taurari a cikin hanyar duniya. Yau Masana ilmin yi imani Neptune mai na shida zobba. A cikinsu ta'allaka wani asiri. Adams zobe kunshi dama arches, wanda aka located a wasu nesa daga juna. Dalilin wannan jeri ne m. Wasu masu bincike suna karkata zuwa zaton cewa riko da su a matsayin cewa da ƙarfin da gravitational filin na daya daga cikin tauraron dan adam na Neptune - Galatea. Sauran nauyi counterargument gubar: ta girma ne don haka kananan cewa abu ne mai wuya a magance da aiki. Watakila, gaba akwai da dama ba a sani ba da tauraron dan adam don taimaka Galatea.

A general, duniya ta zobba - a spectacle cewa shi ne na baya zuwa kyakkyawa da impressiveness kama tsarin na Saturn. Ba kalla rawa a wasu rage bayyanar taka wani ɓangare. Zobba dauke da mafi yawa methane kankara lumps rufi da silicon mahadi wanda readily sha haske.

da tauraron dan adam

Neptune - mai shi (a karshe count) 13 da tauraron dan adam. Mafi yawansu kananan. Fice zabin kawai Triton ne kawai dan kadan baya zuwa diamita na Moon. Abun da ke ciki Neptune yanayi da kuma Triton daban-daban: tauraron dan adam yana da wani gasbag na cakuda nitrogen da methane. Wadannan abubuwa ba sosai ban sha'awa irin na duniya: daskararre nitrogen da inclusions na methane kankara halitta a kan surface a Kudu iyakacin duniya yanzu wani bore da launuka: rawaya modulations a hade tare da fari da kuma ruwan hoda.

A rabo na da kyau Triton, A halin yanzu, ba haka ba ne Rosy. Masana kimiyya Hango da gamuwa da Neptune da kuma sha daga gare su. A sakamakon haka, na takwas duniya zai zama mai shi daga cikin sabon zobba a kan haske m ga Saturn tsarin da kuma ko da outstripping su. Sauran tauraron dan adam na Neptune ne da yawa na baya zuwa Triton, wasu daga cikinsu ba su ma suna da wani sunan tukuna.

Na takwas duniyar tamu na hasken rana tsarin da yawa a cikin hanyoyi zuwa da sunan da, a kan zabi na wanda ya shafa da kuma gaban wani yanayi - Neptune. Its abun da ke ciki na taimaka wa bayyanar da halayyar blue color. Neptune ne sunã gaggãwa ta hanyar sarari m mana, kamar bautãwa tekuna. Kuma kama da zurfin teku ne wani ɓangare na sarari cewa yana farawa bayan Neptune, rike da yawa asirin daga mutumin. The masana kimiyya na nan gaba zai kawai bude su.

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