Kwaqala nini ukutholakala kwamaplanethi? Yayiyini eyokuqala?

Kusukela isayensi yezinkanyezi yaqala ukuthola amandla njengesayensi nokuvela kwesibonakude sokuqala, isifundo seSolar System sesithuthukile. Ngokuqhubekayo, ukutholakala kwamaplanethi yaguqula indlela yokubona ubukhona, okubangela isiyaluyalu emphakathini wesayensi. Umhlaba wawuyeka ukuba yinkaba yendawo yonke, waba yingxenye ye-cosmos enkulukazi.

Ngokutholakala kwalezi zindikimba zasemkhathini, isayensi yezinkanyezi yakwazi ukubeka isisekelo sayo sekusasa. Ngokunjalo, ezinye izimfihlo ezihlotshaniswa nesikhala nokwakheka kwaso zembulwa ngeminyaka yocwaningo lwamaplanethi. Ubuhle balezi zindikimba zasemkhathini bukhulu, busebenza njengeziqephu eziyinhloko zokuqonda indawo yonke.


Ungase futhi ube nentshisekelo esihlokweni sethu: Ingabe akhona amanye amaplanethi afana noMhlaba?


Kwenziwa kanjani ukutholakala kwamaplanethi ayi-7? Konke odinga ukukwazi!

Ukutholakala kwamaplanethi ayi-7 kwakungelona iqiniso elisheshayo, kodwa kwaphawula ngaphambi nangemuva kwesayensi yezinkanyezi. Ngenxa yaleso simo, imibono ethile yezenhlalo neyenkolo yashabalala, eyamemezela isimo sengqondo esingokweqile.

ukuqondaniswa kweplanethi

Umthombo: Google

Amaplanethi ayindikimba yasezulwini ebilokhu ikhona kusukela ekuqaleni kwendawo yonke. Ikakhulukazi lezo zeSolar System, Baye bafundiswa kusukela prehistory kanjalo.. Ngakho-ke, ukutholakala kwamaplanethi angu-7 ngokungangabazeki kwakuyinqubo enzima, kodwa yenziwa kanjani?

IziKronike zikaPtolemy

UCluadio Ptolemy wayengomunye wabasebenzi abakhulu bolwazi olwashiyelwa uPlato no-Aristotle kusayensi yezinkanyezi. Lo mlingiswa obalulekile emlandweni nguyena owaphakamisa inkolelo-mbono ye-geocentric yendawo yonke.

Kusukela ezikhathini ezindala ngisho nangaphezulu kunaye, lapho i-Stoicism yamaGreki ibusa, uchungechunge lwamaplanethi lwaluvele lubonakala, kuhlanganise neVenus neMercury. Ngalowo mqondo, i-geocentric theory, isekela ukuthi zonke izindikimba zasezulwini ezitholakele kuze kube manje, Zazizungeza uMhlaba.

Ngaleso sikhathi somlando, kwakunobufakazi bamaplanethi angu-8, kuhlanganise noMhlaba, iNyanga kanye neLanga njengengxenye yalelo qembu. Elinye iqembu lakhiwe yiVenus, Mercury, Mars, Jupiter kanye neSaturn; konke okuzungeza uMhlaba.

Ithonya likaCopernicus noGalileo Galilei

Ngokuthuthuka kwezobuchwepheshe, izikhathi ezintsha nabaprofethi baqala ukuvela, kuhlanganise noNicolaus Copernicus noGalileo Galilei. Eyokuqala eshiwo Wayenomthwalo wemfanelo ngethiyori ye-heliocentric, lapho kwaphikiswa khona umqondo wokuthi uMhlaba wawuyisikhungo sayo yonke into.

Ngaphezu kwalokho, kwatholakala ukuthi kokubili iLanga neNyanga kwakuyizinto zasezulwini ezinezici ezihlukile zeplanethi. Ngakolunye uhlangothi, iLanga laqokwa njengenkanyezi engumama wale ngxenye yomthala, kucatshangelwa ukuthi amaplanethi azungeza kuwo. Ngokuphambene, iNyanga yafakwa ohlwini njengesathelayithi yokuqala neyokuphela kwemvelo eMhlabeni, ukuyizungeza njalo ezinsukwini ezingama-28.

Umthelela kaGalileo Galilei waba nesandla ekwamukelweni kwethiyori ye-heliocentric, wabeka isisekelo salokho okwaziwayo njengamanje. Ngokulandelayo, waba ngumqali wokuthola amasathelayithi amane e-Jupiter.

Ukutholwa kukaHerschel kwe-Uranus

UWilliam Herschel wayengumlingisi ophumayo emlandweni wesayensi yezinkanyezi, ohlonishwa ngokutholakala kwe-Uranus. Kuze kube ngu-1781, usuku lokubona, amaplanethi ayisithupha kuphela azungeza ilanga ayebhekwa njengakhona.

Iqiniso lavela ngengozi, njengoba isazi sezinkanyezi okukhulunywa ngaso sasizinikele ekuhloleni umlaza iGemini. Nokho, ukumangala kwakhe kwaba kukhulu lapho, esebenzisa isibonakude sakhe esisha, ebona into ekuqaleni ayibiza ngokuthi inkanyezi enomsila.

Ngemva kophenyo olunzulu lokuzungeza kwayo, okuthatha izinsuku ezimbalwa zokulandela umkhondo, wakwazi hlola ukuba khona kwediski yeplanethi. Ngakolunye uhlangothi, ngokusekelwe ophenyweni oludlule futhi eqhathanisa idatha yakhe yakamuva, wakwazi ukuphetha ngokuthi kwakungu-Uranus.

Ngaphambilini, izibalo ezinjengoGalileo Galilei zazifake i-Uranus ngamanga njengesathelayithi yeJupiter. Nokho, ukuzungeza kwayo okungaguquki kanye nokuntula ukunemba kuholele ekutheni ilahlekelwe umkhondo. Kwaze kwaze kwaba nguHerschel lapho lokhu kutholwa kwathatha indlela ekahle, kwaze kwaqinisekisa ubukhona beplanethi eluhlaza okwesibhakabhaka.

Unentshisekelo yokwazi ukuthi kwenzeka nini ukutholwa kwamaplanethi amasha? Funda ngakho!

Ngesikhathi i-Uranus yaziwa, ososayensi abaningi babecabanga ukuthi kwakungeke kube okokugcina ukutholakala. Ngenxa yentuthuko kaHerschel kusibonakude, manje kwase kunesikhali esingcono sokutholwa kwamaplanethi amasha.

Nokho-ke, ngokuhamba kwesikhathi kwahamba isikhathi zangabe zisavela izindaba. Mhlawumbe u-Uranus wayengowokugcina kuSolar System futhi ukutholakala kwamaplanethi amasha kwakuyiphupho nje. Nakuba, njengoba bekulindelekile, yonke into yashintsha ngokuzumayo.

Ukubukeka kweNeptune kanye nomthelela ku-Uranus

Yasungulwa ngonyaka we-1800, umphakathi wezinkanyezi waqala khombisa ukuziphatha okungajwayelekile emzileni we-Uranus. Ngesizathu esithile, iplanethi eluhlaza okwesibhakabhaka yayilokhu ihlehla, ithatha ibanga elide ukusuka endaweni yayo yasekuqaleni.

Ngaleso sikhathi, imithetho yamandla adonsela phansi yasungula ukuthi ukuzungeza kwezinto zasemkhathini kungabangela imiphumela komunye nomunye. Ukusondela kwawo nokusebenzisana kwawo kwadala amaza adonsela phansi ayimpikiswano, akwazi ukusunduza ukuzungeza kweplanethi.

ukutholakala kwamaplanethi

Umthombo: Google

Kwaze kwafika ngonyaka we-1845 lapho, emsebenzini ohlanganyelwe eLeverrier naseGalle, ubukhona beNeptune kwaqinisekiswa. Ngokudidayo endleleni ye-Uranus, kwaba nokwenzeka ukubala ngokunembile usayizi nebanga le-Neptune. Ngale ndlela, iplanethi entsha yengezwe ekubaleni.

I-Pluto kanye nokutholwa kwamaplanethi ngale kwe-Neptune

Ukutholwa kwamaplanethi ngale kwe-Neptune kuholele ekuhlanganisweni kwegama elisha, izinto zamanje ze-trans-Neptunian. Nokho, esikhathini eside ngaphambi kwencazelo enjalo, uPluto wavela ngo-February 1930.

Kusuka esandleni se- UClyde Tombaugh, ukubonwa kwale planethi eyinqaba kwaqinisekiswa, sibonga izibalo zokuqala ezenziwe nguPercival Lowell. Kuze kube ngu-2006, i-Pluto ibiyingxenye ye-Solar System njengeplanethi eyodwa. Kodwa-ke, ngalolo suku, kwakubhekwa "njengeplanethi encane".

Kusukela ekhulwini leminyaka elidlule kuze kube manje, ngokusebenzisa izindawo zokubuka umkhathi, okunye okutholwe amaplanethi akude kakhulu neNeptune kuye kwaqinisekiswa. Phakathi kwazo, UCeres, uHaumea no-Eris bayagqama, amaplanethi anezici ezifana ne-Pluto.


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