Kutheni kubanda ngakumbi ebusuku?

cacisa isibhakabhaka ebusuku

Le yinto abalandeli be-astronomy abaya kuyazi kakuhle kwaye baya kuyiphawula. Ngapha koko, isebenza kulo naliphi na ixesha lonyaka. Ubusuku obucacileyo buhlala buhamba nokwehla kwamaqondo obushushu. Ngokuchasene nento enokwenzeka ukusuka kwiyure yokuqala yosuku, ukuba sinogubungela ilifu siya kuba nendawo ebandayo kunaleyo kungekho kugubungela ilifu, siya kuba nobushushu obungakumbi.

Njengobusuku bokugqibela, imitha yelanga iyancipha, ide ingabikho, kwaye i-infrared radiation kuyo iyayeka. Ukuba sine isibhakabhaka sinamafu, imitha ibanjiweKunzima kuye ukuba aphume kunye nabo ubushushu. Okuphikisanayo, Ukungabikho kwamafu, kubangela ukutshabalalisa oku ubushushu kunye nemitha, kwaye ngaphandle kwesithintelo esinokuyigcina, ishiya ishiya ubusuku obubandayo kwaye ijike isibhakabhaka sicace kwaye sineenkwenkwezi.

Le nto yenzekayo emini nasentlango

ubusuku obunenkwenkwezi obungenamafu entlango

Ngokufanayo, emini, ukwakheka kwamafu kuthintela imitha ekungeneni kwinqanaba lomhlaba. Xa "zingqubana" namafu, aziphumeleli zonke. Oku kukwabizwa ngokuba kukuphikisa, kuba ulwalathiso lwemitha luyatshintsha ngokudlula kwindawo eyahlukileyo kunaleyo luvela kuyo. Kuya kubizwa ngokuba yi-reflex, ukuba xa ungqubana nayo yaqhuma kwaye yatshintsha indlela. Ngokungangeni kubo, oku kungabikho kwemitha kunciphisa iqondo lobushushu emini. Ukuba ebusuku oko kulahleka kobumnyama, ukwehla kwamaqondo obushushu kubonakala ngakumbi.

Umzekelo, ngokuchaseneyo sasiyibona ehlotyeni. Imini enelanga kakhulu, enobushushu obubi, ngobusuku obuhamba namafu, ibangela ukuba ubushushu obugciniweyo bungaze buphele. Emva koko sinobunye bobusuku obunxungupheleyo apho ukulala kuba yinto enkulu kakhulu. Yiyo i isiphumo esiphindiweyo samafu kwiithemometha ngokuxhomekeke kwixesha esikulo. Amafu emini ayabanda, ebusuku bubushushu, ukungabikho kwabo emini bubushushu, kubanda ebusuku.

Kungenxa yeso sizathu le nto amaqondo obushushu aphezulu entlango emini, kunye nobo busuku bumakhaza. Njengoko phantse kungaze kubekho amafu, ivelisa okwahluke kakhulu.


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  1. Uxanduva lwedatha: UMiguel Ángel Gatón
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