GuzobereSayensị

The circuit usoro mbara igwe. The akụkụ nke usoro mbara igwe

Solar System - a obere Ọdịdị na ọnụ ọgụgụ nke eluigwe na ala. Ọzọkwa, ya size maka na mmadụ n'ezie akụda: ọ bụla n'ime anyị bi na ise kasị planet nwere ike na o siri ike ọbụna na-amata ọnụ ọgụgụ nke ndị Earth. The obi umeala size of ụlọ anyị, nwere ike na-adị naanị mgbe ị na-ele ya site window nke ugboelu. A yiri mmetụta na-ebilite n'oge na-eme nchọgharị teliskop snapshots "Hubble": The eluigwe na ala bụ nnukwu na mbara igwe enyene naanị a obere akụkụ ya. Otú ọ dị, ọ bụ ya anyị nwere ike ịmụta na ịchọpụta, na-eji data maka nkọwa nke miri emi ohere phenomena.

eluigwe na ala na-achịkọta

Location nke Solar System, ndị ọkà mmụta sayensị kpebisiri ike site dị ihe, ebe ọ bụ na anyị enweghị ike na-edebe ihe na Ọdịdị nke na akụkụ nke ụyọkọ kpakpando. Anyị eluigwe na ala mpempe dị na otu n'ime gburugburu ogwe aka nke Milky Way. Orion uwe, otú aha ya bụ n'ihi na ọ na-aga na nso eponymous ìgwè kpakpando a na-ewere otu n'ime ndị isi alaka galactic aka uwe. The anyanwụ na-emi odude nso ihu disk, kama na etiti: Anya na nke ikpeazụ bụ banyere 26 puku ìhè afọ.

Ọkà mmụta sayensị na-atụ aro na ebe nke a mpempe anyị eluigwe na ala nwere otu uru n'elu nke ọzọ. On dum galaxy nke Solar System, na Milky Way nwere kpakpando na n'ihi ọdịdị nke ha ije na na mmekọrịta ndị ọzọ ihe na-mikpuru na gburugburu ogwe aka, ọ apụta si ha. Otú ọ dị, e nwere otu obere obodo a na-akpọ corotation nso ebe ọsọ nke gburugburu ogwe aka ya na kpakpando na-ekwu. Enịm ebe a w ahụ na-adịghị kpughere na-eme ihe ike Filiks kpọmkwem na aka uwe. Site corotation gburugburu na-ezo aka na anyanwụ na mbara ala. Ọnọdụ dị otú ahụ a na-ewere ka otu n'ime ọnọdụ nke so kpata ntoputa nke ndụ na Earth.

The circuit usoro mbara igwe

The Central aru nke ọ bụla mbara obodo - bụ a kpakpando. Aha nke usoro mbara igwe na-enye ihe ike ịgwụcha agwụcha azịza nke ajụjụ nke ìhè Nkea gburugburu Earth na ya agbata obi. Sun - ọgbọ nke atọ nke kpakpando n'etiti nke ndụ okirikiri. Ọ na-enwu n'ihi na ihe karịrị 4.5 ijeri afọ. Odika otu nọmba na-mbịne na gburugburu uwa.

Atụmatụ nke usoro mbara igwe taa mejupụtara asatọ mbara ala: Mercury, Venus, Ụwa, Mars, Jupiter, Saturn, Uranus na Neptune (banyere ihe mere Pluto, n'okpuru). Ha na-dabere kewara abụọ dị iche iche: terrestrial mbara ala na gas Refeyim.

"Ndị ikwu"

The mbụ ụdị nke mbara ala, dị ka aha na-egosi, na-agụnye Earth. Na mgbakwunye thereto ya nwe Mercury, Venus na Mars. ha niile nwere a set nke yiri e ji mara. Terrestrial mbara ala iso tumadi nke silicates na ọla. Ha na-ji a elu njupụta. Ha niile nwere a yiri Ọdịdị: ígwè isi ọbọp na admixture nke nickel silicate mantle, na topsheet - ogbugbo, gụnyere a compound nke sịlịkọn na-emegide ọcha. A yiri Ọdịdị na-agbajikwa naanị site Mercury. The kasị nta na ezigbo planet na Sun anaghị nwere jikọrọ ọnụ: ọ bụ bibie bombardment.

Nnukwu mbara ala nke otu - ọ bụ Earth, sochiri Venus, mgbe Mars. E nwere ụfọdụ ka nke usoro mbara igwe: terrestrial mbara ala-eme ka elu ya ime na na-kewapụrụ n'ebe ndị gas Refeyim nke asteroid belt.

isi mbara ala

The ọnụ ọgụgụ nke gas Refeyim gụnyere Jupiter, Saturn, Uranus na Neptune. Ha niile bụ ọtụtụ ibu karịa terrestrial akpọkwa. Giants nwere a ala njupụta na, na iche na aga na otu nke mbara ala iso nke hydrogen, helium, amonia, na methane. Giant mbara ala nwere dị ka ndị dị otú ahụ elu elu, ọ na-atụle Lower notional ókè oyi akwa nke ikuku. All anọ ihe ngwa ngwa bugharia gburugburu ya axis, nwere ihe yiri mgbaaka na Satellites. Ndị kasị adọrọ mmasị size planet - Jupiter. Ọ na-esonyere ndị kasị ibu ọnụ ọgụgụ nke Satellites. N'otu oge ndị kasị akpali akpali yiri mgbaaka - Saturn.

Atụmatụ gas ibu interconnected. Ọ bụrụ na ha bụ banyere size of Earth, ọ ga-enwe a dị iche iche mejupụtara. Agafeghị oke hydrogen nwere ike idowe na mbara ala na-enwe a zuru ezu nnukwu uka.

Dwarf mbara ala

Ọ bụ oge na inyocha ihe bụ usoro mbara igwe - mezuwo 6. Mgbe taa ndị okenye nọ na a na afọ, w picture anya ha a obere dị iche iche. The circuit usoro mbara igwe n'oge gụnyere itoolu na mbara ala. The ikpeazụ ndepụta bụ Pluto. Ọ bụghị ruo mgbe 2006, mgbe nzukọ IAU (International Astronomical Union) nakweere definition nke a planet, na Pluto kwụsịrị kwekọrọ na ya. Otu n'ime ihe ndị bụ: "The planet bụ akara ererimbot ya orbit." The ngagharị ụzọ Pluto obstructed site ndị ọzọ ihe uku a ngụkọta mbụ itoolu planet site arọ. na okwu bụ "Dwarf planet" ẹkenam maka Pluto na ọtụtụ ndị ọzọ ihe.

Ebe ọ bụ na 2006, niile ozu na usoro mbara igwe na-mere-ekewa atọ dị iche iche:

  • mbara ala - ihe bụ nnukwu ezuru, jisiri ikpochapụ ya orbit;

  • obere ozu usoro mbara igwe (asteroids) - ihe na-enwe dị otú ahụ a obere size na ha nwere ike iru hydrostatic ịha, ya bụ, na-a ahazi ma ọ bụ kpam kpam na ya na-etolite;

  • Dwarf planet, bi onye n'etiti ọnọdụ n'etiti abụọ gara aga ụdị: ha na-egosipụta hydrostatic ịha, ma ọ bụghị sụrụ orbit.

Nke ikpeazụ, Atiya bụ ugbu a na eze mejupụtara ise ozu: Pluto, Eris, Makemake, Haumea, na Ceres. Nke ikpeazụ na-ezo aka asteroid belt. Makemake, Haumea na Pluto bụ Kuiper belt, na Eris - achụsa diski.

asteroid belt

A ụdị ókè kewara ndị terrestrial mbara ala si gas Refeyim, ofụri ya adị gụrụ Jupiter. N'ihi ọnụnọ nke a nnukwu mbara ala ndị asteroid belt nwere ọtụtụ atụmatụ. N'ihi ya, n'onyinyo ya nyere echiche na ọ bụ nnọọ ize ndụ n'ihi ugboelu mpaghara: ụgbọ mmiri nwere ike mebiri site ihe asteroid. Otú ọ dị, nke a abụghị nnọọ eziokwu: mmetụta nke Jupiter ada ka eziokwu ahụ bụ na belt bụ a pụtara ehighị nne ụyọkọ nke asteroids. , Ahụ na-eme ka ya nwere a pụtara obi umeala size. Na usoro nke-akpụ a belt nke Eyeneka ndọda gwagbuworo orbits nke nnukwu ohere ha ahụ na-rapaara ebe a. The mgbe nile clashes na ada ọdịdị obere iberibe. A ịrịba akụkụ nke irighiri n'okpuru nduzi nke otu Jupiter a chụpụrụ n'èzí mbara igwe.

Ngụkọta uka nke aru nke na-eme ka Asteroid echebe Mmadụ, bụ hà naanị 4% nke uka nke na Ọnwa. Ha na-agụnye nnoo nke ọla na nkume. The kasị ibu aru na mpaghara ebe a bụ Dwarf planet Ceres, sochiri asteroids Pallas, Vesta, na gig.

The Kuiper belt

The circuit usoro mbara igwe na-agụnye onye na-eketa bi asteroids. Ọ bụ Kuiper echebe emi odude n'ofè orbit nke Neptune. The ihe na-enịm ebe a, gụnyere Pluto, na-akpọ trans-Neptunian. N'adịghị ka belt asteroids n'etiti Mars na Jupiter, ha na-ekewet nke ice - mmiri, amonia na methane. The Kuiper echebe bụ ugboro 20 wider karịa ihe asteroid na nke ukwu ọzọ oke karịa ya.

Pluto na ya Ọdịdị bụ ahụkarị ihe nke Kuiper echebe Mmadụ. Ọ bụ kasị ebe nke ahu. Ọ na-etinye abụọ ọzọ Dwarf mbara ala: Makemake na Haumea.

dịsasịrị diski

The akụkụ nke usoro mbara igwe na ọ bụghị nanị ndị Kuiper belt. Behind ọ bụ ndị na-akpọ dịsasịrị diski na hypothetical Oort ígwé ojii. The mbụ overlaps na Kuiper belt, kama ọ na-aga ukwuu n'ihu na ohere. Nke a bụ ebe a mụrụ mkpụmkpụ-oge comets usoro mbara igwe. Ha na-ji ihe orbital oge nke na-erughị 200 afọ.

Akpọkwa gbasasịa disk, gụnyere a komeeti ka si Kuiper belt ahụ ekewet tumadi nke ice.

The Oort ígwé ojii

A ohere ebe ogologo oge comets sitere anyanwụ usoro (na a oge nke ọtụtụ puku afọ), a na-akpọ Oort ígwé ojii. Iji ụbọchị, na e nweghị kpọmkwem ihe àmà nke ịdị adị. Otú ọ dị kpughere ọtụtụ ihe, n'ụzọ ikwado nchepụta.

Enyocha mbara igwe kwere na mpụga ala nke Oort ígwé ojii wepụrụ si Sun na a anya nke 50 ruo 100,000 mbara igwe nkeji. Dị ka ya size, ọ karịrị otu puku ugboro na Kuiper belt na gbasasịa diski ọnụ. The elu ókè nke ala Oort ígwé ojii, na-atụle ga-ókè nke mbara igwe. ụlọ ọrụ dị ebe a na-gụrụ kacha nso kpakpando. Dị ka a N'ihi ya, ha kpụrụ comets orbits nke gabiga akụkụ bụ isi nke usoro mbara igwe.

The pụrụ iche Ọdịdị

Ka ụbọchị, mbara igwe - naanị mara nke ohere, ebe e nwere ndụ. Ikpeazụ, ma ọ dịghị ihe ọzọ nwere ike nke ya omume gwagbuworo Ọdịdị nke ahụ usoro mbara na ya pụrụ isi chọta na corotation gburugburu. The ala emi odude ke "ibi na mpaghara" ebe ìhè anyanwụ na-aghọ obere ebibi, nwere ike ịbụ ka onye nwụrụ anwụ dị ka ya kacha nso agbata obi. Comets n'iweta na Kuiper belt, achụsa diski, na Oort ígwé ojii, na nnukwu asteroids nwere ike ime bụghị naanị dinosaurs, ma ọbụna dị nnọọ likelihood ndụ okwu. Site ha na anyị na-na-echebe site a nnukwu Jupiter, na-eru na ya onwe ya dị otú ahụ ihe ma ọ bụ na-agbanwe ha orbit.

N'oge ọmụmụ nke ihe owuwu nke usoro mbara igwe anyị ike ghara ịdị na-enwe mmetụta anthropocentrism: o yiri ka ọ bụrụ na eluigwe na ala mere ihe niile naanị n'ihi na ndị mmadụ na-enwe ike ịpụta. Nke a bụ eleghị anya ọ bụghị ikpe, Otú ọ dị, a ọnụ ọgụgụ dị ukwuu nke ọnọdụ, nwetụrụ mebiri nke ga-eme na ọnwụ nke ihe nile dị ndụ, ike mgbada na echiche dị otú ahụ.

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