Oghere Ojii
.Oghere ojii bụ mpaghara oghere oghere ebe ike ndọda siri ike nke na ọ na-adịghị ihe ọ mgba, ìhè na ebili mmirika electromagnetic ndị ọzọ, nwere ike zuru oke iji gbanarị ya. Ozizi nke relativity izugbe na-ebu nje na kọmpat zuru oke nwere ike hárọda oge ka ọ bụrụ oghere ojii. A na-akpọ ókè nke ike mgbapụ ihe omume horizon . N'agbanyeghị na ọ na-enwe ike dị ukwuu na foto na ọnọdụ nke ihe na-agafe ya, ọ dịghị ihe ọ llaa a na-ahụ na mpaghara dịka nkwekọ n'ozuzu ya si dị. N'ọtụtụ ụzọ, oghere ojii na-eme dị ka ezigbo ahụ ojii, ebe ọ na- akara ìhè. Ọzọkwa, quantum field theory na curved spacetime na-ebu ihe na ihe omume horizons emit Hawking radieshon, na otu ụdị dị iche iche dị ka oji ahụ nkenke na- agbanwe agbanwe na oke ya. Ọnọdụ a bụ nke ihie kelvin maka oghere ojii stellar, na-eme ka ọ bụrụ ihe na-ahụ ekwe omume ịhụ ụzọ.
. Enwere ike ịpụtapụta nke oghere ojii site na ndị na ihe ndị ọzọ yana radieshon electromagnetic dị ka ìhè a na-ahụ anya. Ihe ọ blu nke dabara na oghere ojii nwere ike ike diski acretion ikike nke na-ekpo ọkụ site na nri, na-ahụ quasars, ụfọdụ ihe na-akpa na mbara igwe. Kpakpando ndị na-agafe nso na nnukwu ojii nwere ike kụrie n'ime mmiri iyi na-enwu nke ukwuu tupu 'e ilo ya. [1] Ọ bụrụ na ndị ọrụ ndị ọzọ na-agba gburugburu oghere ojii, ikiri ike iji orbits ha igodo oke oghere na ebe ọ dị. Enwere ike iji nleba anya dị otú ahụ ihe ihe ndị ọzọ na-enwe ike dị ka ndị neutron. N'ụzọ dị otú a, ndị na- mbara igwe mgbasa ọtụtụ ndị na-agba oghere ojii na ọnụọgụ abụọ wee gosi na ebe redio a maara dị ka Sagittarius A*, nke dị n'etiti mmụ Milky Way, nwere nnukwu ojii dị ihe dị ka 4.3. nde mmadụ igwe .
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