Yintoni na ebusuku? Uhlalutyo olunzulu

Eli nqaku lichaza into ebusuku, kutheni oko kwenzeka, oko kuxhomekeke ubude bayo nayiphi iiplanethi akwenzeki konke konke.

Amaxesha amandulo

Night - kuba yenye into apho ubomi baqala emhlabeni wethu. Ngapha koko, ukuba ukhangela kwezinye imizimba yasezulwini kwinkqubo yethu, oko kukuthi, abo apho utshintsho ngemini alwenzeki konke konke. Efanayo Mercury, umzekelo. Ngenxa yoko, omnye nganeno ebomvu-Hot yakhe, lo gama enye ligutyungelwe bubumnyama obungunaphakade. Ngokuqhelekileyo, akukho moya, kunye nezinye iimeko zobomi akanakuba khona.

Ukoyika ebumnyameni ehleli umntu ukususela kumaxesha ababephila phambi kokubhalwa kwembali, ke ngoko kakhulu kwakuxhomekeke ngezenzeko ezifana nexesha losuku. Le busuku wawungaqhelekanga sisalathisi nje enye imini esiphila, wazithwala eninzi ngeengozi - ukuzingela amarhamncwa ebumnyameni ukuba nako ukubona utshaba okanye esibatheni ... Nangona kukho inyaniso yokuba ngoku ebusuku umzi ayigqitywanga kakuhle, uloyiko lobumnyama, mhlawumbi akazange musa ukundishiya umntu. Ngoko ke yintoni na ebusuku?

definition

Night - ke ubude bexesha apho ukuze ufumane indawo elinikiweyo phezu komhlaba iplanethi (okanye elinye iqumrhu yasezulwini), inkwenkwezi engundlunkulu ngezantsi kolundi yaye, ngokunjalo, alumeke kuyo.

Ixesha ebusuku yahluka kwaye kuxhomekeke kwizinto ezininzi ezifana inkululeko, kwithambeka axis-langa ngokuphathelele komzila, ixesha lonyaka kunye nomgama ukusuka elangeni. Ngenxa yokuba njengotyekelo ezimanyeneyo iiplanethi, kuquka Umhlaba, iyahluka ngokuphathelele iinqwelomoya wezijikelezi zabo, ixesha kwexesha ebusuku kuxhomekeke kwixesha lonyaka.

ebusuku polar

Ukuhlalutya umbuzo yintoni ebusuku, bangabi sakhunjulwa ezibandayo. Ukusuka njengesiqhelo, oko uyahluka ukuba ezinezinga polar ngentla, ngokuxhomekeke kwixesha lonyaka, ngeke kwenzeke kwaphela okanye, phezu koko, thatha nje kweenyanga ezintandathu.

Ekwahluleni ngeenkwenkwezi ebusuku kufika ngalo mzuzu xa iLanga 18 degrees ngezantsi kolundi.

star

Ngokuba zonke lwazi efumaneka eyaziwa ngokuba mnyama ebusuku, akukho lokuba zonke iiplanethi. Umzekelo, kumbindi kumnyele wethu, ngenxa yesihloko enkulu yeenkwenkwezi wobusuku, emva kokutshona kwelanga ezinye ilanga zalapha, kodwa akezi. Kunoko, iinkwenkwezi Malukhanye ngokunjalo aqaqambe ukuba eli xesha namhla awunto ezahlukeneyo imini enkulu. Ngoko ke siyayazi into ebusuku.

zokuziphatha

Ngokutsho imigaqo eyamkelekileyo yokuziphatha, ubusuku ine-11 emva kwemini, kungakhathaliseki ukuba anenkululeko okanye lonyaka. Kwaye ingqalelo abantu aphazamise uncultured ubiza emva kwexesha okanye enye into.

Yintoni na namhla? Kusasa, emva kwemini, ngokuhlwa, ebusuku

Round ixesha clock umnxeba, nto leyo malunga lilingane ixesha Orbital planethi ngeenxa axis yayo. Yahlulahlulwe yaba kwiiyure ezingama-24 kwaye ibandakanya kusasa, imini, ngokuhlwa nobusuku.

ezafakwa

Ngenxa yokoyika yobumnyama, ngawo onke amaxesha abantu wabanika ixesha losuku yayinamacala eyimfihlakalo. Nanamhlanje, xa ubumnyama kumazwe amaninzi akukho ezizingelayo, okanye kukho into esongela wumbi, amabali ezidolophini bazalwa okanye idluliselwe kumntu kumntu wamandulo, umzekelo, malunga nezithunzela okanye ezinye izidalwa ukuba akubanyamezeli kwelanga.