Bel na Asteroid

bel na asteroid

Asteroids ba wani abu bane face jikin sama mai duwatsu wanda yake kewaya Rana.Ko da yake basu zama daidai da girman taurari ba, amma suna da makamantansu. Yawancin tauraron dan adam da aka samo a cikin falakin da muke amfani da hasken rana. Mafi yawansu suna samar da bel na asteroid kamar yadda muka sani. Wannan yanki yana tsakanin kewayen Mars da Jupiter. Kamar yadda yake tare da duniyoyi, kewayawar su ababen hawa ne.

A cikin wannan labarin zamu gaya muku duk abin da kuke buƙatar sani game da bel na asteroid, da halayensa da mahimmancinsa.

Babban fasali

wurin bel

Ana kiran sa bel ko babban bel kuma yana cikin yankin namu tsarin hasken rana tsakanin kewayen Jupiter da Mars, wanda ya raba duniyoyin ciki da sauran duniyoyin. An halin da babban adadin duwatsu na samaniya masu banƙyama da sifofi iri-iri, waɗanda ake kira asteroids, kuma tare da dwarf planet Ceres.

Sunan babban bel shine ya banbanta shi da sauran abubuwan sararin samaniya a cikin tsarin hasken rana, kamar su Kuiper Belt a bayan falakin Neptune ko kuma kamar Girgijin Oort, wanda yake gefen ƙarshen tsarin hasken rana, kusan shekara mai haske nesa da rana.

Belin asteroid ya kunshi miliyoyin halittun samaniya, wanda za'a iya raba shi zuwa nau'i uku: carbonaceous (type C), silicate (type S) and metallic (type M). A halin yanzu akwai manya-manyan sammai guda biyar: Pallas, Vesta, Cigia, Juno da kuma mafi girman jikin sama: Ceres, wanda aka sanya shi a matsayin duniyar sararin samaniya mai fadin kilomita 950. Waɗannan abubuwa suna wakiltar fiye da rabin nauyin babban bel, kwatankwacin kashi 4% na yawan watan (0,06% na yawan duniya).

Kodayake ana nuna su kusa sosai a cikin hotunan tsarin rana, suna samar da gajimare mai girma, gaskiyar magana ita ce wadannan taurarin sun yi nesa da juna ta yadda zai yi wuya a iya zirga-zirga a cikin wannan sararin kuma ya yi karo da ɗayansu. Akasin haka, saboda ƙawancen al'ada da suka saba, suna zuwa kusa da falakin Jupiter. Wannan duniyar tamu ce, tare da nauyinta, yana haifar da rashin kwanciyar hankali a cikin tauraron dan adam.

Kasancewar bel din asteroid

duwatsu a sarari

Asteroids ba kawai ana samunsa a cikin wannan bel ɗin ba, har ma a cikin hanyoyin sauran duniyoyi. Wannan yana nufin cewa wannan abu mai duwatsu yana da hanya iri ɗaya a cikin rana, amma babu wani abin damuwa. Kuna iya tunanin cewa idan asteroid yake a cikin zagaye ɗaya da duniyarmu, zai iya haɗuwa ya haifar da bala'i. Wannan ba haka bane. Babu buƙatar damuwa game da ko zasu faɗi ko a'a.

Asteroids a cikin zagaye guda ɗaya kamar yadda duniya take gaba ɗaya suna tafiya cikin sauri ɗaya. Saboda haka, ba za su taɓa haɗuwa ba. Don yin wannan, dole ne Duniyar ta motsa a hankali ko kuma asteroid dole ne ta ƙara saurinta. Wannan ba zai faru a sararin samaniya ba har sai idan akwai wasu externalan waje da zasu yi hakan. A lokaci guda, dokokin ƙaura suna gudana ta rashin ƙarfi.

Asalin belin asteroid

asteroids a sararin samaniya

Ka'idar da aka fi yarda da ita game da asalin bel din asteroid shine cewa dukkanin tsarin hasken rana ya samo asali ne daga wani sashin protoblar nebula. A wasu kalmomin, wannan wataƙila sakamakon sakamakon watsewar kayan ne ya samar da manyan halittun samaniya, a wani ɓangare saboda tsangwama daga raƙuman ruwa daga Jupiter, duniya mafi girma a cikin tsarin rana. Wannan ya sa gutsuttsuren dutsen suna karo da juna ko kuma kore su zuwa sararin samaniya, suna barin 1% kawai na jimlar farko.

Mafi dadewar zato yana nuna cewa bel din asteroid na iya zama duniyan da aka yi shi da dadadden nebula, amma an lalata shi ta hanyar wani tasirin da ke faruwa ko kuma fashewar cikin gida. Koyaya, saboda ƙarancin bel da ƙarfi mai ƙarfi da ake buƙata don busa duniyar ta wannan hanyar, wannan hasashen kamar ba zai yuwu ba.

Wadannan taurari sun fito ne daga samuwar tsarin rana. Tsarin rana ya kafa kimanin shekaru biliyan 4.600 da suka wuce. Wannan na faruwa yayin babban girgijen gas da ƙura ya faɗi. Lokacin da wannan ya faru, mafi yawan kayan sun faɗi tsakiyar gizagizai, suna yin rana.

Sauran al'amarin ya zama duniyoyi. Koyaya, abubuwa a cikin bel na asteroid basu da damar zama duniyoyi. Saboda asteroids yana samuwa a wurare da halaye daban-daban, basu zama daya ba. Kowane ɗayan yana yin tazara daban da rana. Wannan ya sa yanayin da abun ya bambanta. Abubuwan da muka samo ba masu zagaye bane, amma basu dace ba kuma anyi masu jaka. Wadannan ana samar dasu ta hanyar ci gaba da karo da wasu abubuwa har sai sun zama kamar haka.

Bambanci tsakanin asteroids da meteorites

An rarraba Asteroids gwargwadon matsayin su a cikin tsarin hasken rana; wasu kuma ana kiransu NEA saboda sun fi kusa da ƙasa. Mun kuma sami Trojan, waɗanda sune ke kewaya Jupiter. A gefe guda, muna da Centaurs. Suna cikin tsarin hasken rana na waje, kusa da Oort Cloud. Watau, nauyi da yanayin duniya sun 'kama su' na dogon lokaci. Hakanan zasu iya sake tafiya.

A meteorite ba komai bane face wani tauraron dan adam wanda ya kewaya duniya. Ya sami wannan sunan ne saboda lokacin da ya shiga sararin samaniya, yana barin hanyar haske, wanda ake kira meteor. Suna da haɗari ga mutane. Koyaya, yanayinmu yana kiyaye mu daga gare su saboda ƙarshe suna narkewa idan ya sadu da shi.

Dogaro da abubuwan da suka kirkira, zasu iya zama dutse, ƙarfe, ko duka biyun. Hakanan tasirin meteorites na iya zama mai kyau, saboda zaku iya samun bayanai da yawa game da shi. Idan ya isa sosai da yanayin bazai lalata shi gaba daya lokacin da suka sadu ba, zai iya haifar da lalacewa. Za'a iya yin hasashen halin da yake ciki a yau saboda fasahar sa ido da mutane ke da ita game da tsarin rana da sararin samaniya.

Ina fatan cewa tare da wannan bayanin zaku iya ƙarin koyo game da bel na asteroid da halayen sa.


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