Mun san cewa duniyarmu tana da nau'ikan motsin tsarin hasken rana da yawa. Daya daga cikin mafi mahimmanci kuma wanda ke haifar da rana da dare shine motsi na jujjuyawar duniya. Wannan shine jujjuyawar duniya shine jujjuyawar wannan duniyar tamu zuwa gabas zuwa yamma kusa da kusurwar duniya, wanda yakai kusan kwana daya ko sa'o'i 23, mintuna 56 da sakan 3,5. Wannan motsi, tare da fassarar kewaye da rana, shine mafi mahimmancin motsi da duniya ke da shi. Musamman ma, motsin jujjuyawar yana da babban tasiri a rayuwar yau da kullun na masu rai.
Don haka, za mu sadaukar da wannan labarin don ba ku labarin duk abin da kuke buƙatar sani game da jujjuyawar duniya da halayenta.
Babban fasali
Dalilin da yasa duniya ke jujjuyawa akan kusurwoyinta shine asalin tsarin hasken rana. Yana iya zama cewa rana ta shafe lokaci mai yawa ita kaɗai bayan nauyi ya sa ya yiwu ya fito daga kwayoyin halitta a sararin samaniya. Lokacin ƙirƙirar, Rana ta sami jujjuyawar da gizagizai na kayan farko suka bayar.
Wasu daga cikin abubuwan da ke sa taurari su matse a kusa da rana don su samar da taurari kuma suna samun kuzarin angular daga gajimare na farko. Don haka, duk taurari (ciki har da Duniya) suna da nasu jujjuyawar gabas-yamma, ban da Venus da Uranus. wanda ke juyawa a gaba.
Wasu sun yi imanin cewa Uranus ya yi karo da wani duniyar mai yawa kuma ya canza axis da alkiblar juyawa a sakamakon tasirin. na venus, kasancewar iskar iskar gas zai iya bayyana dalilin da yasa alkiblar jujjuyawar ke juyawa a hankali a kan lokaci.
Sakamakon motsin juyawar ƙasa
Kamar yadda aka ambata a sama, ci gaban dare da rana, da canje-canje daban-daban a cikin yini da zafin jiki, sune mafi mahimmancin sakamakon jujjuyawar duniya. Koyaya, tasirinsa ya wuce wannan tabbataccen hujja:
- Jujjuyawar duniya tana da alaƙa sosai da siffar ƙasa. Duniya ba cikakkiyar fili ba ce kamar billiards. Yayin da yake juyawa, an ƙirƙiri rundunonin naƙasa waɗanda ke haifar da faɗaɗa equator kuma daga baya ya faɗi a sanduna.
- Lalacewar duniya yana haifar da ƙananan sauye-sauye a cikin ƙimar g na hanzarin hawan nauyi a wurare daban-daban. Don haka, alal misali, ƙimar g a sanduna ta fi darajar da ke equator.
- Motsin jujjuyawar yana tasiri matuka wajen rarraba magudanan ruwa da iska, tunda iska da ruwa suna fuskantar karkatacciyar hanya ta gabas ta tsakiya (kudanci helkwata), agogon agogo (arewacin kogin) da agogon agogon (arewacin kogin).
- An ƙirƙiri yankuna na lokaci don daidaita tafiyar lokaci a kowane wuri yayin da rana ke haskakawa ko duhun wurare daban-daban na duniya.
Tasirin Coriolis a cikin jujjuyawar Duniya
Tasirin Coriolis shine sakamakon juyawar duniya. Tun da duk jujjuyawar suna da hanzari, ba a ɗaukar Duniya a matsayin firam ɗin da ba a iya aiki ba, wanda ake buƙata don amfani da dokokin Newton.
A wannan yanayin, abin da ake kira pseudoforces ya taso, inda tushen ƙarfin ba na jiki ba ne, kamar ƙarfin centrifugal da mutanen da ke cikin mota ke fuskanta lokacin da suke yin kusurwa, da kuma ji suke kamar an karkace su gefe guda.
Don ganin tasirinsa, yi la'akari da misali mai zuwa: Akwai mutane biyu A da B a kan dandali da ke jujjuya agogo baya, dukansu suna tsaye kusa da shi. Mutum A yana jefa kwallon zuwa mutum B, amma lokacin da kwallon ta kai B, ya motsa kuma kwallon tana karkatar da nisa s bayan B.
Ƙarfin Centrifugal ba kome ba ne a wannan yanayin saboda yana da nisa daga cibiyar. Wannan shine ƙarfin Coriolis, kuma tasirinsa shine ya karkatar da ƙwallon a gefe. Yakan faru cewa duka A da B suna da saurin hawa sama daban-daban saboda suna tazara daban-daban daga kusurwar juyawa.
Sauran motsin Duniya
Fassara
Zamu ci gaba da nazarin mafi hadadden motsi na Duniya. Motsi ne da Duniya take da shi wanda ya kunshi juyawa zuwa zagaye da Rana. Wannan kewayar tana bayyana wani motsi ne da yake haifar da cewa a yanayi yana kusa da Rana kuma wasu lokuta masu nisa.
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, a kowace shekara hudu muna samun shekarar tsalle-tsalle wacce Fabrairu ke da ƙarin kwana ɗaya. Ana yin wannan don daidaita jadawalin kuma koyaushe ya kasance cikin kwanciyar hankali.
Kewayar Duniya a kan Rana tana da kewayon kilomita miliyan 938 kuma ana kiyaye ta a tazarar tazarar kilomita 150 daga gare ta. Gudun da muke tafiya shine 000 km / h. Duk da kasancewar mu masu saurin gudu ne, amma bamu yaba masa ba saboda karfin duniya.
Precession
Shi ne sauyi a hankali da sannu-sannu da Duniya ke da shi a yanayin jujjuyawa. Wannan motsi ana kiransa precession of the Earth kuma yana faruwa ne ta lokacin da ƙarfin da tsarin Duniya-Rana ke yi. Wannan motsi kai tsaye yana rinjayar sha'awar wanda Hasken rana yana isa saman duniya. A halin yanzu wannan axis yana da karkata zuwa digiri 23,43.
Wannan yana nuna mana cewa axis din duniya ba koyaushe yana nuni zuwa ga tauraro daya (Polar) ba, sai dai yana jujjuya agogo baya, wanda hakan ya sa duniya ta rika motsi kamar na sama. Cikakken juyin juya hali guda ɗaya a cikin axis na gaba yana ɗaukar kimanin shekaru 25.700. don haka ba wani abu ba ne abin godiya a sikelin mutum. Koyaya, idan muka auna tare da lokacin yanayin ƙasa zamu iya ganin cewa yana da matukar dacewa a lokutan glaciation.
Ina fatan cewa tare da wannan bayanin zaku iya ƙarin koyo game da motsin juyawar ƙasa da halayenta.