Oberon, Uranus satellite: nkọwa

N'agbanyeghị niile ọganihu na nkà mmụta sayensị na nkà na ụzụ, ọtụtụ n'ime ihe omimi nke cosmos ịnọgide a omimi ụmụ mmadụ. The ọmụmụ nke mbara igwe, ọ gụnyere n'ụbọchị ememme ọnwa nke mbara ala nke usoro mbara igwe, na-ejikọta ya na ọtụtụ ihe isi ike. Anya-adịghị ekwe ka tụlee ha n'ụzọ zuru ezu. Oberon, na satellite nke mbara ala Uranus, nakwa dị ka ndị ọzọ nke ya "enyi" ka na-eche maka ha n'aka nchọnchọ nke ọma.

akụkọ

The ọnụ ọgụgụ nke Satellites Uranus esịmde 27 nkeji. Ha na-ekewa iche iche:

• ime;
• mpụga;
• ndị kasị ibu.

Esịtidem "Iwu" nwere 13 ọchịchịrị lumps na a n'obosara site 50 ruo 150 km. Ha niile dabeere fọrọ nke nta kpọmkwem na ụwa nke mbara ala na otu direction. Mee a zuru mgbanwe ke awa ole na ole. Ikekwe, ha na-metụtara Uranus yiri mgbaaka. Ọtụtụ e chọpụtara na 1986 site na a ugboelu Voyager 2. O mere foto nke Oberon, banyere 40% nke ya elu. Naanị 25% nke ha enye geological nkewa.

Azịza nke ajụjụ bụ ma, na a mbara ala satellite Oberon, ọtụtụ ụmụ akwụkwọ mara taa. Oghere ya mere na January 1787 site William Herschel. Ma ruo afọ 50 nnọọ ole na ole ndị mmadụ ike ịhụ ọnwa, ma e wezụga ndị ọkà mmụta sayensị. Telescopes na oge iche elu abami ike. Modern Gbasara Anya-enye gị ohere ahụ ọbụna Oberon amu amu teliskop.

aha

Naanị Uranus, na mbara ala na satellite Oberon, obụrede mbụre nke "Shakespeare si" entourage. Na-ede nke echiche na-dịgide Shakespeare nke elu-igwe ghọrọ onye-enyocha mbara igwe, N'ezie England, Vilyam Gershel. The planet chọpụtara site ohere na 1781. Onye ọkà mmụta sayensị chọrọ inye ya aha King George, kama omenala akaghị, na amuru Uranus.

Na mbụ ya kpọrọ Oberon Uranus II. Mgbe e mesịrị, ndị ọzọ Satellites, na William Lassell gukọta ha dị ka anya nke mbara ala e chọpụtara, Uranus IV Oberon nwetara aha. Mgbe e mesịrị, ihe niile dị ịrịba ama na ịdị ukwuu bịara mara site na aha nke dike nke Shakespeare. Nnukwu: Miranda, Ariel, Cordelia, Umbriel, Oberon na Ophelia.

Ọdịdị

Ọkà mmụta sayensị kweere na Oberon, Uranus ọnwa, ọ gaara kpụrụ si accretion disk. Ọ gbara gburugburu ụwa dị mgbe ya guzobere. Ikpe ikpe site na steeti nke ọnwa ala, ọ nọ na "amuru" n'otu oge dị ka nke mbara ala onwe ya.

Presumably mejupụtara satellite mejupụtara ihe dị ka hà ichekwa rock na mmiri, na ọtụtụ n'ime ya bụ ice. Nke a na-egosi site na satellite njupụta - 1,63 g / cm. Otu nwere ike iche na ndị isi okirikiri bụ 480 km. Ọdịdị bụ dị ka ndị:

• nkume isi;
• ikekwe a oyi akwa nke mmiri mmiri;
• oké ákwà mgbokwasị.

nkọwa

Ọ nwere a elu nke a ọbara ọbara hue. O yiri ka nke a bụ n'ihi na mmetụta nke ohere weathering. Nke a bụ n'ihi na-arụsi ọrụ bọmbụ micrometeorites na ebubo ahụ nke ya n'elu ihe karịrị otu nde afọ gara aga. The dị iche na osisi ike nke ndo yiri mere akretsiey (ada bekee n'elu nke eluigwe ahụ gburugburu gburugburu). Na ndị na-eduga Ụwa ayama ohu. Ya siri nācha ọbara-ọbara nwere ike ịbụ n'ihi na ndị edozi nke kwụsịtụrụ ahụ si ohere. Bluish agba nke ọhụrụ mepụtara (dịtụ) ịnweta ego.

Oberon - enyi, nke enyene nke abụọ kasị ukwuu na usoro na-iteghete nke Uranus na mbara igwe. atụmatụ:

• dayameta - 1523 km;
• ibu - 3,014 X10 ²¹ n'arọ;
• n'elu ebe - 7.3 nde kilomita ^2;
• olu - 1,849 ijeri cubic kilomita;
• n'elu okpomọkụ - -203 ...- 193 ° C;
• Njupụta - 1,63 g / cm.

Arụrụ elu - a akụkụ pụrụ iche nke Oberon ọnwa. Sputnik n'ụzọ nkịtị nwere dịghị free ohere na-enweghị ndagwurugwu ahụ. Ọnụ ọgụgụ ha na-apụghị ụba. More na-adịbeghị anya foneelu dochie gara aga "scars", ha na-egosi site na eruptions na metụtara si ohere. Ndị dị otú ahụ n'ụba craters (karịa ihe ọ bụla ọzọ satellite) na-egosi ya afọ.

Isi ihe a maara dị ka craters na omimi. "Shakespeare" isiokwu e chebere ebe a. The kasị craters na anya akụkụ:

• Othello - 114 km n'obosara.
• Lear - 126 km.
• Romeo - 159 km.
• Macbeth - 203 km.
• Hamlet - 206 km.

E nwere ike ibu, ma ha bụ adịghị n'ihi na ọmụmụ ihe ahụ. Ọtụtụ nke craters nwere na-egbuke egbuke ụzarị peculiar. Ọkà mmụta sayensị na-atụ aro na a emission nke friji mmiri - ice. Ọchịchịrị na ala nwere ike na-egosi unyi mmiri tinyekwa, site ntụnyere na-amị n'ọnwa maria. Ọzọ ọtụtụ ndị chere na ala craters shading dabeere na eziokwu na n'okpuru ice elu jikọrọ ọnụ na-ewekarị subsoil darker agba. Omimi ọtụtụ obere, ndị fọdụrụ n'ezinụlọ - Mommur (537 kilomita).

-agba ya gburugburu

Oberon - satellite nwere orbit 584.000 kilomita. Ọ bụ mgbe niile na-agba gburugburu na otu akụkụ nke mbara ala. Ọ bụghị ihe ọhụrụ na mbara igwe. Anyị ọnwa ikwu na Earth na otu ọnọdụ, nke-ahụkarị nke nnukwu Satellites. N'ihi na obere ndiiche si a gburugburu na ọnụnọ Equatorial nchepụta, nke a anya nwere ike ịdị iche iche. The orbital oge na-ekwekọ n'àgwà adiana oge nke iri na atọ na ọkara ụbọchị.

Na nsọtu (si nnukwu ememme ọnwa) Oberon, ọtụtụ n'ime ya orbit-aga enweghị na-emetụta nke mbara ụwa magnetosphere. Ya elu elu na-gụrụ anyanwụ ifufe. Enwekwu agha ike site Uranus plasma ahụ dị nnọọ obere karịa ndị ọzọ Satellites, otú Oberon anya Mkpa ọkụ ka ha "ụmụnna".

The ụgbọelu nke ụwa nke mbara ala Olee ihe enyemaka na-ekwekọ n'àgwà nke orbits nke ya kasị ukwuu n'ụbọchị ememme ọnwa. N'oge a kara aka mgbanwe nke ogologo oge - afọ 42. Onye ọ bụla nke okporo osisi nke mbụ na-ezo fọrọ nke nta ọkara otu narị afọ na ọchịchịrị, mgbe otu esetịpụ na anyanwụ.

Ozugbo iri anọ na afọ abụọ, n'oge equinox, na Sun na Earth-agabiga Equatorial ụgbọelu nke Uranus. N'oge a, e nwere mmegwara mkpuchi Satellites.