Nnukwu Mgbawa

A model of the expanding universe opening up from the viewer's left, facing the viewer in a 3/4 pose. — Usoro ihe mgbaàmà nke mgbasa nke nwunye na ala, ebe nchekwa, echiche nke ndị na-ahụ ahụ anya nke ese na ala, na-anya anya oge ọ mgbasa site na ebubo. N'aka ekpe, mgbasawanye dị egwu na-eme n'oge nri; na n'etiti, mgbasawanye accelerates (echiche nke onye na-ese ihe; ọ bụghị oge ma ọ bụ nha ga-abụ nha).

Ihe omume Big Bang bụ echiche anụ nke ahụ na-ahụ ka ọnụnọ na ụwa si hụ site na ngosi nke nnukwu n'ibu na ebumnuche . [1] Onye na-egbochi Roman na-akpa physics bụ Georges Lemaître bụ mbụ nke tụpụtara ya na 1927. Ụdị dị iche iche nke mbara nke Big Bang na-achọpụta nke ndụ na ụwa a na-ahụ anya site na oge mbụ amara. site n'ụdị buru ibu na-esote ya. [2] [3] [2] Modelsdị ndị a na-enye ụmụ zuru oke maka ọtụtụ ihe ndị a na-ahụ anya, ndị agha ihe ọkụ, radieshon mbara igwe (CMB) na ihe owuwu buru ibu . A na-ịyọ baabi n'otu nke Eluigwe na Ala, nke a maara dị ka nsogbu flatness, site na onu oriri nke mbara igwe : mgbasawanye na ngwaọrụ na ngwa ngwa nke oghere n'oge oge mbụ. Otú ọ dị, physics ugbu a egwu nke quantum gravity nkeanabatara nke ọma nke nwera ike ị mmetụta mbụ nke Big Bang.

. ^[1]N'ụzọ dị mkpa, ụdị ndị a da ụzọ na iwu Hubble-Lemaître - nhụta na ka ike dị anya, ka ọ na-esi n'ụwa ngwa ngwa. N'ịkọwa mgbasa mgbasa nke mbara igwe azụ n'oge na-eji iwu ama nke physics, ụdị ahụ na-ahụ mbara igwe na-agbakọbawanye elu nke na-ebute ụzọ nke oghere na oge na-efunahụ ihe (nke a na- akpọ "Big Bang singularity"). [1] N'afọ 1964, a emechira CMB, nke mere ka ọtụtụ ndị na-ekiri ihe gbasara mbara igwe kwenye na e mebiri usoro evolushọn nke ụwa nke na-aṣọ mpi, [2] ebe ọ bụ na ụdị Big Bang na- ebua otu ụdị radishon nke oke akara na n'akpata na-akpata n'oge gara aga. Ọtụtụ ihe njikere doro anya na-akwado ihe omume Big Bang, bụ nke a nabatara ugbu a n'ụwa niile. [3] nkọwa zuru ezu nke mmadụ mgbasawanye nke ọnụnọ na ala na-etinye Big Bang singularity na ụgwọ 13.787± 0.020 ijeri afọ gara aga, nke a na-ewere dị ka awụ nke ọnwụ na ala.

. ^[2]A ka nwere ikike nke na ala ahụ nke a na-enweta akara nke ọma site na ụdị Big Bang. Mgbe akwa akwa ya, ማያ na ụwa oyi nke ọma iji kwe ka e guzobe ụmụ irighiri ihe subatomic, na emesia atom . Ozi na- nha nke ihe na ihe ozi nke kwere ka nke a mee bụ izi a na-adịghị nke a mara dị ka baryon asymmetry . Ihe ndị a mbụ—akpasịa hydrogen, nwere ụfọdụ helium na lithium —emesịa gbakọọ site na ike ndoda, na-akpụ akpa mbụ na-amata. Ndị na- na-ekiri mbara igwe na-ahụ ndị ndọda nke ihe gbara mgbochi a na-eme ama nke gbara mgbochi gburugburu. Ọtụtụ n'ime ike ndoda n'arụ na ala yiri ka ọ dị n'ụdị a, na ụdị Big Bang na dị iche iche na-egosi na ike ndoda a na-emebiga ihe ókè ewere ihe baryonic, dị ka atom ụzọ . Ntụle nke redshifts nke supernovae na-egosi na mgbasawanye nke ọnụnọ na ala na-aga n'ihu, ihe nleba anya sitere na ihe a na-adịghị nke a mara dị ka ike mgbochi .

↑ Planck reveals an almost perfect universe. Max-Planck-Gesellschaft (March 21, 2013). Retrieved on 2020-11-17.
↑ Peebles (22 April 2003). "The cosmological constant and dark energy". Reviews of Modern Physics 75 (2): 559–606. DOI:10.1103/RevModPhys.75.559.

[esa-1] Planck reveals an almost perfect universe. Max-Planck-Gesellschaft (March 21, 2013). Retrieved on 2020-11-17.

[peebles-2] Peebles (22 April 2003). "The cosmological constant and dark energy". Reviews of Modern Physics 75 (2): 559–606. DOI:10.1103/RevModPhys.75.559.

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