Duniyarmu tana cikin tsarin hasken rana kuma koyaushe tana kewaya rana. Akwai nau'ikan iri daban-daban motsi na duniya kuma kowannensu yana da tasiri daban-daban a rayuwa. Muna da motsi na juyawa, fassarar, riga-kafi da nutation. Wadannan motsi guda hudu sune mafi mahimmanci a duniyarmu.
Don haka ne za mu sadaukar da wannan labarin don ba ku labarin menene manyan motsin duniya, halayensu da muhimmancinsa.
Motsi na duniya
Juyawa
Wannan shine mafi shaharar motsi tare da fassarar. Koyaya, dole ne a sami wasu mahimman al'amura waɗanda ba ku sani ba. Amma hakan ba laifi domin za mu duba su. Za mu fara da ayyana mene ne wannan motsi. Ita ce jujjuyawar duniya zuwa yamma ko gabas a kan gadarta. Ana la'akari da kishiyar agogo. Duniya tana ɗaukar matsakaicin sa'o'i 23, mintuna 56 da daƙiƙa 4 don juyawa sau ɗaya.
Kamar yadda kuke gani, akwai dare da rana saboda wannan motsi na juyawa. Wannan yana faruwa ne saboda rana tana cikin tsayayyen matsayi kuma kawai tana haskaka gefen Duniya da ke fuskantarta. In ba haka ba duhu zai yi, dare ne. Hakanan ana iya ganin tasirin a lokacin rana, kula da inuwa bayan aiki. Za mu iya fahimtar yadda motsin duniya ke haifar da inuwa a wasu wurare.
Wani sakamakon wannan motsi mai mahimmanci na juyawa shine ƙirƙirar filin maganadisu na duniya. Godiya ga wannan filin maganadisu, zamu iya samun rayuwa a duniya kuma har yanzu muna kare kanmu daga iskar hasken rana. Hakanan yana ba da damar kasancewar rayuwa a cikin yanayi da rayuwa a duniya.
Idan muka yi la’akari da abin da ke faruwa a kowane wuri a duniya, saurin juyawarta ya bambanta ta kowace hanya. Idan muka auna saurin daga ma'aunin ma'aunin zafi ko kuma daga sanduna, zai bambanta. A Ecuador, Dole ne ya yi tafiya mai nisa zuwa pivot kuma zai yi tafiya a 1600 km / h. Idan muka zaɓi maki a 45 digiri na arewa, za mu iya ganin shi yana jujjuya a 1073 km/h.
Fassara
Mun juya zuwa nazarin motsi na biyu mafi rikitarwa na Duniya. Motsin da duniya ke yi ya kunshi jujjuyawan kewayanta a rana. Wannan kewayawa yana bayyana motsi mai motsi wanda ke kusantar da shi zuwa rana a wasu lokuta kuma yana motsa shi a wasu.
Ana tsammanin ya fi zafi a lokacin bazara domin duniyar ta fi kusa da rana kuma mafi nisa a lokacin hunturu. Ka yi la'akari da cewa idan mun yi nisa, ƙarancin zafi zai kai mu fiye da idan mun kasance kusa. Duk da haka, akasin haka gaskiya ne. A lokacin rani muna da nisa daga rana fiye da lokacin hunturu. Saitin a canjin yanayi Ba nisan duniya ba ne daga rana, amma son hasken rana ne. A cikin hunturu, haskoki na rana sun fi buguwa duniyarmu a hankali, kuma a lokacin rani sun fi a tsaye. Wannan shine dalilin da ya sa ake samun karin sa'o'i na hasken rana da kuma karin zafi a lokacin rani.
Duniya tana ɗaukar kwanaki 365, sa'o'i 5, mintuna 48 da daƙiƙa 45 don yin cikakken juyin juya hali akan gaɓar fassararta. Don haka muna da shekara ta tsalle a kowace shekara huɗu, tare da ƙarin rana a cikin Fabrairu. Ana yin wannan don daidaita tsarin da kiyaye shi a kowane lokaci.
Wurin da duniya ke kewaya rana yana da kewayar kilomita miliyan 938 sannan kuma tazarar kilomita miliyan 150. Muna tafiya a 107.280 km/h. Duk da gudun, ba mu yaba shi saboda nauyi.
Afelion da haɗarin haɗari
Hanyar duniyarmu a gaban rana ana kiranta da ecliptic kuma tana haye equator a farkon bazara da kaka. Ana kiran su equinoxes. a wannan matsayidare da rana iri daya ne. A mafi nisa daga cikin ecliptic muna samun lokacin rani da lokacin hunturu. A irin wadannan lokuta, kwanaki sun fi tsayi, darare kuma sun fi guntu (lokacin bazara), kuma darare sun fi tsayi, kwanaki kuma sun fi guntu (lokacin hunturu). A wannan lokaci, hasken rana yana faɗowa a tsaye a kan ɗaya daga cikin ɓangarorin, yana sa ta ƙara zafi. Don haka yayin da lokacin sanyi yake a yankin arewa, lokacin rani ne a yankin kudu, kuma akasin haka.
Fassarar Duniya akan Rana tana da ƙarin lokacin da ake kira aphelion, wanda ke faruwa a watan Yuli. Maimakon haka, mafi kusancin duniya zuwa Rana shine perihelion, wanda ke faruwa a cikin Janairu.
Sauran motsin Duniya
Motsi mai wucewa
Wannan sauyi ne a hankali kuma a hankali a cikin alkiblar jujjuyawar duniya. Wannan motsi, wanda ake kira precession of the Earth, yana faruwa ne sakamakon karfin karfin da tsarin Duniya da Rana ke yi. Wannan motsi yana shafar karkatar da hasken rana kai tsaye zuwa saman duniya. A halin yanzu, Matsakaicin wannan axis shine digiri 23,43.
Wannan yana nuna mana cewa duniyar jujjuyawar duniya ba koyaushe take nuni zuwa ga tauraro ɗaya ba (sanduna), a maimakon haka sai ta juya agogon hannu, wanda hakan ya sa duniya ta yi motsi kamar na sama. Cikakken jujjuyawar axis yana ɗaukar kimanin shekaru 25.700 don haka ba a iya gane shi akan sikelin ɗan adam. Koyaya, idan muka auna shi a lokacin yanayin ƙasa, zamu iya ganin cewa yana da alaƙa mai ƙarfi da lokutan glacial.
Motsi na abinci
Wannan shine babban motsi na ƙarshe ga duniyarmu. Wannan motsi ne kaɗan kuma mara daidaituwa wanda ke faruwa a cikin kusurwar jujjuyawar dukkan abubuwa masu ma'ana waɗanda ke jujjuya axis ɗin su kamar gyroscopes.
Idan muka yi nazari akan Duniya, wannan motsi na nutation shine motsi na lokaci-lokaci na axis na juyawa a kusa da ma'anarsa akan sararin samaniya. Wannan motsi yana faruwa ne saboda karfin da karfin duniya ke yi da kuma karfin da ke tsakanin wata da Rana da kasa. Wannan ƴan ƙaramar mazugi na axis ɗin duniya yana faruwa ne saboda kumburin equatorial da jan hankali na wata. Lokacin nutation shine shekaru 18,6.
Ina fatan da wannan bayanin zaku iya ƙarin koyo game da motsin duniya da halayenta.