Ho okumu'epekema

Proxima Centauri. Red dwarfs. Ka'ōnaehana Alpha Centauri

Proxima Centauri - o ka hōkū i ka mea hea ka mea me ka Honua. Ka inoa, ua loaa mai i ka Roma hua'ōlelo proxima, a 'o ia hoʻi "koke". Kona mamao i ka Sun mea 4,22 malamalama makahiki. Naʻe, hoʻowahāwahā i ka mea i ka hoku mea kokoke ia iā mākou ma mua o ka lā, ka mea hiki wale ke ike ma ka telescope. He uuku ia i kona ola ana ua ike a hiki i 1915. Star paionia ua Robert Innes, he astronomer mai Kekokia.

Ka hoku'ōnaehana, Alpha Centauri

Proxima He hapa o ka Alpha Centauri nenoaiu. Ma waho aʻeo ia ia, ka mea, hoi mai nā 'elua hou hoku: Alpha Centauri A a me Alpha Centauri B. Ua nui ka malamalama a me ka oi kekahi' Proxima. Penei, ka hoku o ka A, me ka brightest i loko o ka huihui, mea ma ke kaawale ana o 4,33 malamalama-makahiki mai ka la. Ua Ua kapaia Rigel Centaurus, i translates like "malalo iho o ka Centaur." Kēia hoku mea i kekahi mau mea like me mākou lā. Paha no ka mea, o kona'ālohilohi. Akä naÿe i Proxima Centauri, ka mea, ua hoikeia mai ka wa kahiko like me ka loa hiki i loko o ka lani po.

Alpha Centauri B mea no hoi i emi iki mahope o ia ka "kaikuahine" o ka olinolino. Together ka mea, - pani aeaie kahua. Proxima Centauri He mamao lawa aku, mai o lakou. Ma waena o na hoku - i ka mamao o ka umikumamakolu tausani Astronomical Unit (keia mea aku ma mua, mai ka Sun a hiki i ka Honua Neptune i loko o ka poe a pau i eha manawa!).

All Centauri hoku'ōnaehana orbiting a puni lākou, he pono ole mawaena konu o ka nuipa a. Proxima wale höʻike loa lohi i kona nohoʻana i miliona o ka makahiki. No laila, i ka hōkū e ia i ka manawa lōʻihi loa ia e ka hoʻopuniʻana i ka Honua.

loa uuku

Ka hoku Proxima Centauri mea ole wale i ka hoʻopuniʻana o nā huihui iā mākou, akā, ia mea no hoi i ka mea uuku. Kona nuipa mea i moku i ka mea māhunehune lawa ke kākoʻo i ka keʻano o ka hanaʻana o ke kahua o ka helium mai hydrogen pono no ka manawa. Hoku loa pōwehiwehi malamalama. Proxima ka nui maʻalahi lā ma kahi eʻehiku ka pīpīʻana. A ma luna o konaʻilikai mahana mea nui ma lalo, "wale" ekolu tausani degere. 'ōlinolino Proxima haawi Sun hoʻokahi haneri a me kanalima manawa.

ulaula dwarfs

Little hoku Proxima pili i ka spectral papa M me ka loa haʻahaʻa luminosity. Lohe nuiʻia ike kino ano lani kahi i loko o keia papa - ulaula dwarfs. Hoku me ka uuku nuipa - ka loa hana hoihoi mea. Lākou na 'ole mea i kekahi mau mea i like loa me ka' ole o ke kanaka nunui kŘhele e like me Dia. I ka waiwai o kaʻulaʻula dwarfs mea i loko o ka mea lahaʻole moku'āina. Eia hou, he mau manaʻo kōkua i ka Honua, a i kahi kokoke i kēia mau hoku, i e pono ai ke ola.

Red dwarfs noho i ka lōʻihi loa manawa, nui hou ma mua o kekahi 'ē hoku. Ka mea, ua nui loa na mea i ka Hawaiʻi. Kekahi nukelea reactions loko o ia hoomaka e kahe wale nō i loko o kekahi mau ieeeea makahiki ma hope o ka hanau ana o. I ka wa e ola ana o kaʻulaʻula dwarf oi ma mua o ke ola ana o ka ke ao holoʻokoʻa holoʻokoʻa! No laila, i loko o ka mamao-mamao wā e hiki mai, ka wā e hele mai,ʻaʻole he hookahi hoku e like me ka Sun, ka ula dwarf Proxima Centauri mea a pau, ua hoopaa hoi i alohi i loko o ka pouli o ka lewa.

I mau, ulaula dwarfs - i ka loa e like me ka hoku i loko o mākou Wiliau Hōkū. Over 80% o nā kino stellar a pau o ka nō hoʻi i ka ia. A 'aneʻi' o ka paradox: ka mea, e pau loa iaʻike makaʻole! Ka maka me ke kapa ole, e i nana ole i kekahi o ia mau mea.

huahelu

Hiki i keia manawa, ke hiki, e pololei ana i ka nui o kēia mau hoku liilii, e likeʻulaʻula dwarfs wale ua i hiki no i kā lākou haʻahaʻa luminosity. Akā, i keia la keia pilikia ua Wehewehe i nā hāʻina ma ka hoʻohana 'ana i kekahi kūikawā VLT-interferometer (VLT - ailona no ka nui loa Telescope). Keia mea, ke hoʻohana i ke kumu o nā nui 8.2-mika telescopes o ka VLT, Aia ma Paranal Astronomical Observatory (ESO). Kēia mau nunui telescope, ke kaawale mai kekahi i kekahi ma 102,4 mika, e ana i ke ano lani kahi a me ka miomio, i wale hiki ole ke hoʻolimalima hale'ē aʻe manaʻo. Mai ka Geneva Observatory, astronomers no ka manawa mua, loaa ae nei i ka kiko'ī Ana o ka uuku hoku.

lolilua Centauri

No kona nui Proxima Centauri kona palena ma waena o ka mea maoli hoku, kŘhele a me ka eleele dwarf. Aka, ia mea he hoku. Ka nuipa a me ke anawaena o kona hoolilo i ka hiku o ka kaumaha, a me ke anawaena o ka la pakahi. Star oi nunui ma mua o ka Honua Dia, hoʻokahi haneri a me kanalima manawa, akā, kaupaona kekahi, a me ka hapalua kona manawa emi. Inā Proxima Centauri kaupaona i emi, ka mea makemake wale hiki ole ia i ka hoku: makemake ole e lawa hydrogen i loko o kona Kalaiaina, e hoʻokuʻu akula ka malamalama. Ma keia hihia,ʻike nō au i ka maʻamau eleele dwarf ( 'ole. E. Ka make), aʻaʻole he maoli hoku.

Proxima iho - loa i powehiwehi lani kino. Maʻamau kona luminosity kīnā ole aku ma mua o 11m. Bright ia me ka hao wale i paʻi ia, alahula telescopes, e like me, no kekahi laʻana, "Hubble". I kekahi manawa, nae, na hoku alohi ikaika, a me ka nui loa hoʻokāʻoi. ʻepekema wehewehe ia ma ka mea i Proxima Centauri a pau a hiki i ka papa o ka ai-kapaia e yiaeaiiacaaeneiie, a flare, hoku. Keia ua kena ae la e hao wale mai outbursts ma luna o ka honua i ka mea i ka hopena o ka māpuna au paialewa keʻano o ka hanaʻana. Ka mea, i kekahi mau mea like i ka poe e ana ana ma ka ili o ka la, wale nui ikaika, a hikiʻo ia i kekahi loli ma ka olinolino o ka hoku.

Nō pono i ke kao keiki

Kēia mauʻino keʻano o ka hanaʻana a me ka flares paipai i nukelea reactions lawe wahi i loko o ka hohonu o Proxima Centauri, ua ole nae stabilized. Nā kūʻiʻoa o nā kānakaʻepekema: ka mea, 'o no kulana kamaliʻi hoku ma nā puke maʻamau, o na cosmos. ʻOiai kona mau makahiki, ua like me ka makahiki o ko mākou lā. Eia naʻe, Proxima - heʻulaʻula dwarf, no laila, ka mea hiki ole i ke hoohalikeia. I ka mea, e like me ka "ula hoahanau", mea e e loa lohi a me ka hoʻokele waiwai e puhi i kā lākou nukelea wahie, a, nolaila, e malamalama ai i ka lōʻihi loa manawa - ma kahi o ekolu haneri manawa hou ma mua o ka ke ao holoʻokoʻa holoʻokoʻa! He aha ka maoli malaila, e kamailio e pili ana i ka la ...

He nui fiction kākau manaʻo i Proxima Centauri - ka loa e pono no ka makahikiʻimi loa i ka lewa, a hoike ia ia 'oihana. Kekahi manaʻo i ka mea hūnā i ka ke ao holoʻokoʻa o ka Honua, kahi au e hālāwai'ē aʻe maikai ana. Malia paha ia mea ai, akā, i ka pololei i ka mamao mai ka Honua a hiki i Proxima Centauri - oi ma mua o eha malamalama-makahiki. No laila, 'Aʻole nō naʻeʻo ia, a me ka kokoke, akā nō, ua mamao loa aku.

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