Nebula
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N'ehihie penumbral ụnwanyị na-iche mgbe ma ọ bụ ụnwayọ niile n'ime penumbra ụwa. [5] Ọ dịghị nke ụnwa dị na Umbra ụgbọ n'oge mmemme a. The penumbra na-eme ka mweda dị nro dị n'elu ụnwanyi, bụ nke a na-ahụ anya na anya gba ọtɔ mgbe ihe dị ka 70 nke dayameta ụnwanwa n'ime penumbra ụwa. [1] Ụdị iche nke penumbral eklips bụ ụdị penumbral ụmụ akwụkwọ na-amụ eklips, n'oge ule dum na-adị ikike n'ime ụwa penumbra. Ngụkọta eklips penumbral dị ụkọ, ma mgbe ihe ndị a mere, ụnwa ụrọ kacha nso na umbra nwere ike ịpụtapụta ọmọnhịn ndị ọzọ.
Ọtụtụ nebulae buru ibu; ụfọdụ bụ ụfọdụ awụ ọkụ na dayameta. A nebula nke anya mmadụ na-ahụ site na ike ga-adị ka ibu, ma ọ dịghị ihe na-mahụ, site na nso. [1] Orion Nebula, nebula kacha na- ndị ọdịdị na mbara igwe ma na-ebi ebe okpukpu abụọ abụọ dayameta nke ụnwayọ zuru ezu, nwere ike iji anya gba ọnwu lee mana ndị na- ekiri mbara igwe na-atụ uche ya. [2] Ọ bụ ebe na ọ dị oke oghere gbara ha gburugburu, ọtụtụ nebulae adịte oke oghere oghere e kere n'ụwa - igwe ojii nebular nke nha ụwa ga-enwe nke ekere kilogram ole na ole. mkpuchi ikuku nwere n'ahụ nke mkpokọta 10 19 molekul kwa cubic centimita; N'ụzọ dị iche, nebulae ndị nwere oke nwere ike ike n'ahụ nke molekul 10,000 kwa centimita cubic. A na-ahụ ọtụtụ nebulae n'ihi fluorescence nke akwụkwọ na-ekpo ọkụ na-akpata, ebe ndị ọzọ na-agbasasị nke na ihe ike ike ha ibe site na ogologo ogologo na nzacha ebe iche. akụkụ nebulae na-enwu n ụzọ dị iche iche site na agbanwe agbanwe T Tauri .
. [1]Na mbụ, mbụ a na-eji okwu ahụ bụ "nebula" ihe ihe ọ gbasara gbasara igwe gbasasịrị, ama-ama ịkpọ Milky Way . Dị ka ihe atụ, Andromeda Galaxy, dị ka ọmụmaatụ, a na-akpọ Andromeda Nebula (na-akpọ spiral n'ozuzu ya dị ka "spiral nebulae") tupu oge ezi na-eje ozi nke akwụkwọ na-ahụ ịbụ afọ nke 20 site na Vesto Slipher, Edwin Hubble, na ndị ọzọ. Edwin Hubble ngwa na a na-azụ ọtụtụ nebulae na ojiji ma na-enwu site na ọkụ ọkụ. O nyekwaara aka n'ịhazi nebulae dabere n'ụdị ụdị ọkụ ọkụ ha ibu. [1]
![](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Hs-2009-25-e-full.jpg/220px-Hs-2009-25-e-full.jpg)
- ↑ What is a nebula?. Space Center Houston (March 19, 2020). Retrieved on June 27, 2021.