ukuzungeza komhlaba

ukunyakaza kokujikeleza komhlaba

Siyazi ukuthi iplanethi yethu inezinhlobo eziningi zokunyakaza kwesistimu sonozungezilanga. Enye yezinto ezibaluleke kakhulu futhi ebangela imini nobusuku ukuhamba kwe ukuzungeza komhlaba. Lokhu ukunyakaza okuzungezayo koMhlaba ukunyakaza okuzungezayo kweplanethi yethu endaweni esempumalanga-ntshonalanga ezungeze i-eksisi yoMhlaba, ehlala cishe usuku olulodwa noma amahora angu-23, imizuzu engu-56 nemizuzwana engu-3,5. Lokhu kunyakaza, kanye nokuhumusha okuzungeza ilanga, ukunyakaza okubaluleke kakhulu uMhlaba onakho. Ikakhulukazi, ukunyakaza okujikelezayo kunomthelela omkhulu empilweni yansuku zonke yezinto eziphilayo.

Ngalesi sizathu, sizonikezela lesi sihloko ukuze sikutshele konke okudingeka ukwazi mayelana nokujikeleza komhlaba kanye nezici zawo.

Izici eziyinhloko

ukunyakaza komhlaba

Isizathu sokuthi kungani umhlaba uzungeza eksisini yawo sisemsuka wesimiso sonozungezilanga. Kungenzeka ukuthi ilanga lachitha isikhathi esiningi lilodwa ngemva kokuba amandla adonsela phansi enze kwaba nokwenzeka ukuvela endabeni ye-amorphous emkhathini. Lapho libumba, iLanga lathola ukuzungezisa okunikezwa amafu ezinto zakuqala.

Ezinye zezinto ezibangela izinkanyezi ukuthi zimpintshene ilanga ukuze zakhe amaplanethi nazo zithola umfutho we-angular ukusuka efwini lokuqala. Ngakho, wonke amaplanethi (kuhlanganise noMhlaba) anomjikelezo wawo wempumalanga nentshonalanga, ngaphandle kweVenus ne-Uranus, eziphenduka zibheke kolunye uhlangothi.

Abanye bakholelwa ukuthi i-Uranus yashayisana nenye iplanethi enokuminyana okufanayo futhi yashintsha i-eksisi yayo nendlela yokuzungeza ngenxa yomthelela. ku-venus, ukuba khona kwamagagasi egesi kungachaza ukuthi kungani indlela yokuzungeza ihlehla kancane ngokuhamba kwesikhathi.

Imiphumela yokunyakaza kokuzungeza komhlaba

ukuzungeza komhlaba

Njengoba kushiwo ngenhla, ukuqhubeka kwemini nobusuku, kanye noshintsho lwazo emini nasezingeni lokushisa, kuyimiphumela ebaluleke kakhulu yokujikeleza koMhlaba. Nokho, ithonya lakhe lidlulela ngale kwaleli qiniso eliwujuqu:

  • Ukuzungeza komhlaba kuhlobene eduze nokuma komhlaba. Umhlaba awuyona imbulunga ephelele njengamabhiliyoni. Njengoba ijikeleza, kwakhiwa amandla alwayo abangela inkabazwe ukuba inwebeke futhi kamuva ibe isicaba emapalini.
  • Ukuguquguquka Komhlaba kubangela ukuguquguquka okuncane kwenani lika-g lokusheshisa kwamandla adonsela phansi ezindaweni ezahlukene. Ngakho-ke, isibonelo, inani lika-g ezigxotsheni likhulu kunevelu enkabazwe.
  • Ukunyakaza okujikelezayo kuthinta kakhulu ukusatshalaliswa kwemisinga nomoya wolwandle, njengoba uquqaba lomoya namanzi luba nokuchezuka kwe-orbital ngakolunye uhlangothi (i-hemisphere eseningizimu), ngokwewashi (nenkabazwe esenyakatho) nangokuhamba kwewashi (nenkabazwe esenyakatho).
  • Izigaba zesikhathi zenzelwe ukulawula ukuhamba kwesikhathi endaweni ngayinye njengoba ilanga likhanya noma liba mnyama ezindaweni ezahlukene zomhlaba.

Umthelela we-Coriolis ekujikelezeni komhlaba

ukuzungeza komhlaba

Umphumela we-Coriolis uwumphumela wokuzungeza komhlaba. Njengoba konke ukujikeleza kunokusheshisa, Umhlaba awuthathwa njengohlaka lwereferensi lwe-inertial, oludingekayo ukuze kusetshenziswe imithetho ka-Newton.

Kulokhu, kuvela okuthiwa yi-pseudo-forces, lapho umthombo wamandla ungekho ngokomzimba, njengamandla e-centrifugal atholwa abagibeli bemoto lapho bejika, futhi bazizwa sengathi batshekele ohlangothini olulodwa.

Ukuze ubone ngeso lengqondo umphumela wawo, cabangela isibonelo esilandelayo: Kunabantu ababili u-A no-B esiteji abazungezayo ngokuphambene newashi, bobabili abamile ngokuhlobene nayo. Umuntu A uphonsa ibhola kumuntu B, kodwa ngesikhathi ibhola lifika ku-B, usuke esenyakazile futhi ibhola lichezuka ibanga s ngemuva kuka-B.

I-Centrifugal force ayisho lutho kuleli cala ngoba ikude nendawo. Lawa amandla e-Coriolis, futhi umphumela wawo ukuchezukisa ibhola eceleni. Kwenzeka ukuthi kokubili u-A no-B banesivinini esihlukile sokuya phezulu ngoba basebangeni elihlukene ukusuka ku-eksisi yokuzungezisa.

Okunye ukunyakaza komhlaba

Ukuhumusha

Siyaqhubeka nokuhlaziya ukunyakaza kwesibili okunzima kakhulu koMhlaba. Yinhlangano uMhlaba onayo equkethe ukwenza ujikelezo lomjikelezo wayo uzungeze iLanga. Le-orbit ichaza ukunyakaza kwe-elliptical futhi ibangela ukuthi ezimweni isondele kakhulu kwiLanga nakwezinye izikhathi kude.

Umhlaba uthatha izinsuku ezingama-365, amahora ama-5, imizuzu engama-48 nemizuzwana engama-45 ukwenza uguquko oluphelele eksisi yalo yokuhumusha. Ngakho-ke, njalo eminyakeni emine siba nonyaka we-leap lapho uFebhuwari enosuku olulodwa olwengeziwe. Lokhu kwenzelwa ukulungisa amashejuli futhi uhlale uzinzile.

Umjikelezo woMhlaba mayelana neLanga unomjikelezo wamakhilomitha ayizigidi ezingama-938 futhi ugcinwa ebangeni elijwayelekile lamakhilomitha ayi-150 ukusuka kuwo. Ijubane esihamba ngalo ngu-000 km / h. Yize siyisivinini esikhulu, asikwazisi ukubonga ngamandla adonsela phansi eMhlabeni.

Ukulungiselela

Iwushintsho olunensayo noluhamba kancane kancane umhlaba onalo ekumakweni kwe-eksisi yokuzungezisa. Lokhu kunyakaza kubizwa ngokuthi i-precession of the Earth futhi kubangelwa umzuzu wamandla asetshenziswa uhlelo lwe-Earth-Sun. Lokhu kunyakaza kuthinta ngqo ukuthambekela okwenziwa ngakho Imisebe yelanga ifinyelela emhlabeni. Njengamanje le eksisi inokuthambekela kwamadigri angama-23,43.

Lokhu kusitshela ukuthi i-axis yoMhlaba yokuzungeza ayikhombisi ngaso sonke isikhathi inkanyezi efanayo (Polar), kodwa ukuthi izungeza njengokuya kwewashi, okubangela ukuthi uMhlaba uhambe ngendlela efana neyaphezulu. Inguquko eyodwa ephelele ku-axis yangaphambili ithatha cishe iminyaka eyi-25.700. ngakho akuyona into ebongekayo ngesilinganiso somuntu. Kodwa-ke, uma silinganisa ngesikhathi sokuma kwezwe singabona ukuthi sinokubaluleka okukhulu ezikhathini zeqhwa.

Ngithemba ukuthi ngalolu lwazi ungafunda kabanzi mayelana nokunyakaza kokujikeleza komhlaba nezici zawo.


Yiba ngowokuqala ukuphawula

Shiya umbono wakho

Ikheli lakho le ngeke ishicilelwe. Ezidingekayo ibhalwe nge *

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  1. Ubhekele imininingwane: Miguel Ángel Gatón
  2. Inhloso yedatha: Lawula Ugaxekile, ukuphathwa kwamazwana.
  3. Ukusemthethweni: Imvume yakho
  4. Ukuxhumana kwemininingwane: Imininingwane ngeke idluliselwe kubantu besithathu ngaphandle kwesibopho esisemthethweni.
  5. Isitoreji sedatha: Idatabase ebanjwe yi-Occentus Networks (EU)
  6. Amalungelo: Nganoma yisiphi isikhathi ungakhawulela, uthole futhi ususe imininingwane yakho.