Iintshukumo zomhlaba

ukufuduswa komhlaba

Isijikelezi-langa sethu sikwisijikelezi-langa kwaye sihlala sijikeleza ilanga. Kukho iintlobo ezahlukeneyo ze ukuhamba komhlaba kwaye ngamnye kubo unempembelelo eyahlukileyo ebomini. Sinentshukumo yokujikeleza, uguqulo, ulandelelwano kunye ne-nutation. Ezi ntshukumo zine zezona zibalulekileyo kwiplanethi yethu.

Ngenxa yesi sizathu, siza kunikezela eli nqaku ukukuxelela ukuba zeziphi iintshukumo eziphambili zeMhlaba, iimpawu zabo kunye nokubaluleka kwazo.

Iintshukumo zomhlaba

iintshukumo zomhlaba

Ukujikeleza

Eli lelona nyathelo lidumileyo kunye noguqulo. Nangona kunjalo, kufuneka kubekho imiba ebalulekileyo ongayaziyo. Kodwa oko kulungile kuba siza kuzijonga. Siqala ngokuchaza ukuba yintoni le ntshukumo. Kukujikeleza komhlaba ukuya entshona okanye empuma kwiaxis yawo. Ithathwa njenge-counterclockwise. Umhlaba uthatha umyinge weeyure ezingama-23, imizuzu engama-56 kunye nemizuzwana emi-4 ukujikeleza kube kanye.

Njengoko ubona, kukho imini nobusuku ngenxa yale ntshukumo yokujikeleza. Oku kwenzeka ngenxa yokuba ilanga likwindawo esisigxina kwaye likhanyisela kuphela icala loMhlaba elijongene nalo. Kungenjalo kuya kuba mnyama, kube sebusuku. Isiphumo sinokubonakala kwakhona emini, gcina iliso kwizithunzi emva komsebenzi. Sinokuyiqonda indlela ukuhamba koMhlaba kubangela ukuba izithunzi zibonakale kwezinye iindawo.

Esinye isiphumo sale ntshukumo ibaluleke kakhulu yokujikeleza kukudalwa kwemagnethi yoMhlaba. Ngombulelo kule ntsimi yamagnetic, sinokuba nobomi eMhlabeni kwaye sisazikhusela kumoya welanga. Ikwavumela ubukho bobomi kwiatmosfera kunye nobomi emhlabeni.

Ukuba sithathela ingqalelo into eyenzekayo kwindawo nganye emhlabeni, isantya sawo sokujikeleza sahlukile ngandlela zonke. Ukuba silinganisa isantya ukusuka kwi-ikhweyitha okanye kwiipali, kuya kwahluka. E-Ecuador, kufuneka ihambe umgama omde ukuya kwi-pivot kwaye iya kuhamba nge-1600 km/h. Ukuba sikhetha inqaku kwi-45 degrees latitude emantla, sinokuyibona ijikeleza kwi-1073 km/h.

Inguqulelo

iintshukumo zomhlaba translation

Siphendukela kuhlalutyo lwesibini sentshukumo enzima kakhulu yoMhlaba. Ukushukuma komhlaba kubandakanya ukujikeleza kumjikelezo wawo elangeni. Le ndlela yokujikeleza ichaza intshukumo eyielliptical eyisondeza elangeni kwezinye iimeko ize iyisuse kwezinye.

Kucingelwa ukuba kushushu ngakumbi kwiinyanga zasehlotyeni kuba iplanethi ikufuphi nelanga kwaye ikude ebusika. Qwalasela ukuba, ukuba besithe qelele, ubushushu bungafikelela kuthi kunokuba besikufutshane. Noko ke, okwahlukileyo koko kuyinyaniso. Ehlotyeni sikude kakhulu elangeni kunasebusika. Isimo sokutshintsha kwamaxesha onyaka Asingomgama womhlaba ukusuka elangeni, kodwa kukuthambeka kwemitha yelanga. Ebusika, imitha yelanga ibetha iplanethi yethu ngokuguquguqukayo ngakumbi, kwaye ehlotyeni ngokuthe nkqo. Esi sizathu sokuba kubekho iiyure ezininzi zokukhanya kwelanga kunye nobushushu obuninzi ehlotyeni.

Umhlaba uthatha iintsuku ezingama-365, iiyure ezi-5, imizuzu engama-48 kunye nemizuzwana engama-45 ukwenza uguqulo olupheleleyo kwi-axis yayo yokuguqulela. Ke sinonyaka omnqantsa rhoqo emva kweminyaka emine, kunye nosuku olongezelelweyo ngoFebruwari. Oku kwenziwa ukulungisa ishedyuli kwaye uyigcine ihambelana ngamaxesha onke.

Umjikelo woMhlaba ojikeleze ilanga unomjikelo ozizigidi ezingama-938 zeekhilomitha kunye nomgama ophakathi kweekhilomitha ezili-150 lezigidi. Sihamba nge-107.280 km/h. Nangona isantya, asiyixabisi ngenxa yomxhuzulane.

I-Aphelion kunye ne-perihelion

Indlela yesijikelezi-langa esiphambi kwelanga ibizwa ngokuba yi-ecliptic kwaye inqumla i-ikhweyitha ekuqaleni kwentwasahlobo nasekwindla. Zibizwa ngokuba zii-equinoxes. kule ndawoimini nobusuku ziyafana. Kweyona ndawo ikude kwi-ecliptic sifumana i-solstices yasehlotyeni nasebusika. Kula manqaku ngexesha, iintsuku zinde kwaye ubusuku bufutshane (i-solstice yasehlobo), kwaye ubusuku bude kwaye iintsuku zifutshane (i-winter solstice). Ebudeni beli nqanaba, imitha yelanga iwela ngokuthe nkqo kwenye yehemisphere, nto leyo ebangela ukuba ube shushu ngakumbi. Ngoko ngelixa kusebusika kwi-hemisphere esemantla, kusehlotyeni kwi-hemisphere esemazantsi, kwaye ngokuphambeneyo.

Ukuguqulelwa koMhlaba eLangeni kunomzuzu owongezelelweyo obizwa ngokuba yi-aphelion, eyenzeka ngoJulayi. Endaweni yoko, indawo ekufutshane yoMhlaba kwiLanga yi-perihelion, eyenzeka ngoJanuwari.

Ezinye iintshukumo zoMhlaba

intshukumo yangaphambili

Ukuhamba kwangaphambili

Olu lutshintsho olucothayo kunye oluhamba kancinci kwicala le-axis yoMhlaba. Le ntshukumo, ebizwa ngokuba yi-precession of the Earth, ibangelwa yi-torque eyenziwa yi-Earth-Sun system. Oku kushukuma kuchaphazela ngokuthe ngqo ukuthambeka kwemitha yelanga efikelela kumhlaba. Ngoku, utyekelo lwalo mgca ngama-23,43 degrees.

Oku kusixelela ukuba i-axis yoMhlaba ejikelezayo ayisoloko ikhomba kwenkwenkwezi enye (izibonda), kodwa endaweni yoko ijikeleza ngasekunene, nto leyo ebangela ukuba uMhlaba uhambe ngentshukumo efana naleyo yomphezulu. Ukujikeleza okupheleleyo kwe-axis yangaphambili kuthatha malunga ne-25.700 iminyaka kwaye ke ngoko akubonakali kwisikali somntu. Nangona kunjalo, ukuba siyayilinganisa ngexesha le-geological, sinokubona ukuba inonxibelelwano oluqinileyo kunye namaxesha omkhenkce.

Ukuhamba kwesondlo

Le yintshukumo enkulu yokugqibela yesijikelezi-langa sethu. Le yintshukumo encinci kunye nengaqhelekanga eyenzekayo kwi-axis yokujikeleza kwazo zonke izinto ezilinganayo ezijikeleza i-axis yazo efana ne-gyroscopes.

Ukuba sihlalutya uMhlaba, le ntshukumo ye-nutation yi-oscillation ye-periodic ye-axis yokujikeleza malunga nendawo yayo ephakathi kwi-sphere yesibhakabhaka. Le ntshukumo yenzeka ngenxa yamandla asetyenziswa ngumxhuzulane woMhlaba kunye namandla anomtsalane phakathi kweNyanga, iLanga kunye noMhlaba. Oku kushukuma kuncinci kwe-axis yoMhlaba kwenzeka ngenxa ye-equatorial bulge kunye ne-gravitational pull of the Moon. Ixesha le nutation yiminyaka eyi-18,6.

Ndiyathemba ukuba ngolu lwazi unokufunda ngakumbi malunga nokuhamba koMhlaba kunye neempawu zawo.


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