Sola nhyehyɛeɛ (Solar system)

*Wɔatwerɛ nsɛm wei ɛwɔ* **Asante** *kasa mu*

Saa asɛm yi fa Owia ne ne planeti nhyehyɛeɛ ho. Sɛ wopɛ nnoɔma afoforɔ a wɔde di dwuma a, hwɛ Owia nhyehyɛeɛ (disambiguation).

**Owia Nhyehyɛeɛ** (Solar System) yɛ Owia ne nnoɔma a atwa ho hyia no nhyehyɛeɛ a ɛtwe adeɛ ba fam. Nnoɔma a ɛtete saa no mu akɛseɛ ne planeti nnwɔtwe no, sɛdeɛ wɔahyehyɛ no nnidisoɔ nnidisoɔ firi Owia no so: asase so Planeti nnan a wɔato din Mɛkury, Vɛnus, Earth (Asase) ne (Masse)Mars, gas akɛseɛ mmienu a wɔfrɛ no Jupita(Jupiter) ne Satan(Saturn), ne nsukyenee akɛseɛ mmienu a wɔato din Uranɔso(Uranus) ne Neptune. Asaase so planeti ahodoɔ no wɔ ɔfasuu pɔtee bi na wɔde aboɔ ne dadeɛ na ayɛ ne fa kɛseɛ no ara. Hydrogen ne helium na ɛyɛ mframa akɛseɛ no dodoɔ no ara, berɛ a nsukyenee akɛseɛ no mu dodoɔ no ara yɛ nnoɔma a ‘ɛyɛ hye’ te sɛ nsuo, ammonia, ne methane. Wɔ ntwerɛeɛ ahodoɔ bi mu no, wɔfrɛ asase so Planeti akɛseɛ ne Planeti akɛseɛ yi Owia Nhyehyɛeɛ a ɛwɔ mu ne Owia Nhyehyɛeɛ a ɛwɔ akyiri no planeti ahodoɔ.

Wɔhyehyɛ Owia Nhyehyɛeɛ no mfeɛ ɔpepepem nnan akyiripɔ nsia (4.6) a atwam ni firi nsoromma ntam molecule mununkum kɛseɛ bi a ɛhwee ase wɔ tumi a ɛtwe ade ba fam no mu. Berɛ kɔɔ so no, mununkum no yɛɛ Owia ne protoplanetary disk a ɛde nkakrankakra bɔɔ mu yɛɛ Planeti ne nnoɔma afoforɔ. Ɛno nti na Planeti nnwɔtwe no nyinaa wɔ kyinhyia a ɛbɛn baabi korɔ no ara. Mprempren yi, Owia Nhyehyɛeɛ no mu duru yɛ ɔha mu nkyekyɛmu aduakron nkron akyiripɔ aduason nsia (99.86%) wɔ Owia mu, na ne kɛseɛ a aka no mu dodoɔ no ara wɔ planeti Jupiter mu. Planeti nsia, planeti nketewa nsia a ɛso sene emu biara a ɛbɛtumi aba, ne nnoɔma afoforɔ pii wɔ abɔdeɛ mu satellite anaa asram a ɛtwa ho hyia. Planeti akɛseɛ nyinaa ne nnoɔma nketenkete kakraa bi atwa ho ahyia, nsuboɔ ahodoɔ, mfuturo ɛnna ɛtɔ mmerɛ bi nso a ɔsram nketewa na ɛwom.

planeti nketenketewa dodoɔ bi a wonnim ne nnoɔma nketewa a wontumi nkan a ɛtwa Owia ho hyia wɔ hɔ. Wɔakyekyɛ saa nnoɔma yi wɔ planeti abɔsoɔ a ɛda Mars ne Jupiter kyinhyia ntam, Kuiper abɔsoɔ, diski a ɛyɛ mmienu no nyinaa da Neptune de akyire orbit ne Owia Nhyehyɛeɛ no mmeaɛ a ɛkɔ akyiri mpo a anka wɔbɛkyekyɛ mu sɛ ade a ɛboro Neptunian so kɛseɛ. Nsoromma ho animdefo adwene hyia wɔ nnoɔma nkron yi ho sɛ planeti nketewa: planeti Ceres, nnoɔma a ɛwɔ Kuiper-belt Pluto, Orcus, Haumea, Quaoar, ne Makemake, ne nnoɔma a ɛwɔ disk a ɛyɛ Gonggong, Eris, ne Sedna. Pii nipadua nketewa a planeti nketewa, centaurs ne planeti ahodoɔ ntam mfutuma mununkum ka ho no tu kwan fa Owia Nhyehyɛeɛ no mmeaɛ ahodoɔ ntam kwa.

Sola mframa, nnoɔma nketenkete a ahoɔden wɔm a ɛtene firi Owia no mu kɔ abɔnten no ma ɛyɛ beaɛ bi a ɛte sɛ ahurututu a wɔfrɛ no heliosphere. Heliopause ne beaɛ a nhyɛsoɔ a efiri sola mframa mu no ne nhyɛsoɔ a ɛne nsoromma ntam kwan no bɔ abira no yɛ pɛ; ɛtrɛ kɔ diski a apete no ano. Ebia Oort mununkum a wosusu sɛ ɛyɛ planeti a ɛtena hɔ kyɛ no nso wɔ akyirikyiri bɛyɛ mpɛn apem sene heliosphere. Weinom akyiri no, Sola Nhyehyɛeɛ no awieɛ wɔ hɔ. Sola Nhyehyɛeɛ no yɛ Milky Way no deɛ, na nsoromma a ɛbɛn Sola Nhyehyɛeɛ no (gye Owia nkutoo) no din Proxima Centauri a ɛwɔ akyirikyiri hann mfeɛ 4.2441.

## Nnoɔma a wɔhyehyɛ ne adannandie
Asɛm titiri: Owia Nhyehyɛeɛ no a wɔhyehyɛ ne ne nkɔsoɔ

Sola Nhyehyɛeɛ no baeɛ mfeɛ ɔpepepem 4.568 a atwam ni firi tumi a ɛtwe adeɛ ba fam a ɛhwee ase wɔ ɔmantam bi a ɛwɔ molecule mununkum kɛseɛ bi mu. Ɛbɛyɛ sɛ na saa mununkum a edi kan yi tenten yɛ hann mfeɛ pii na ebiara ɛwoo nsoromma pii. Sɛdeɛ ɛtaa ba wɔ molecule mununkum mu no, na wei mu dodoɔ no ara yɛ hydrogen, a helium bi ka ho, ne nnoɔma nketenkete a emu yɛ duru a nsoromma awoɔ ntoatoaso a atwam no de afrafra. Berɛ a ɔmantam a na ɛbɛyɛ Sola Nhyehyɛeɛ a wɔfrɛ no pre-sola nebula no bubuiɛ no, ahinanan ahoɔden a wɔkora so no maa ɛkyinkyini ntɛmntɛm. Mfinimfini hɔ a na nnoɔma dodoɔ no ara boaboa ano no yɛɛ hye kɛseɛ sene diski a atwa ho ahyia no. Berɛ a nebula a ɛretwetwe no di akɔneaba ntɛnntɛm no, ɛfiri aseɛ yɛɛ petee bɛyɛɛ protoplanetary disk a ne kɛseɛ bɛyɛ 200 AU (kilomita ɔpepepem 30; akwansin ɔpepepem 19) na protostar a ɛyɛ hye na ɛyɛ den wɔ mfinimfini. Planeti ahodoɔ a ɛnam nkɔanim a ɛfiri saa diski yi mu so na ɛbaeɛ, a mfutuma ne mframa twetwe wɔn ho wɔn ho, na ɛka bom yɛɛ nipadua akɛseɛ berɛ nyinaa. Ebia na planeti ahodoɔ ɔhaha pii wɔ hɔ wɔ Owia Nhyehyɛeɛ a edi kan no mu, nanso wɔka bom anaasɛ wɔsɛe no anaasɛ wɔpam wɔn, na ɛmaa planeti ahodoɔ, planeti nketewa, ne nnoɔma nketenkete a aka.

Esiane sɛ na ɛboɔ kɛseɛ nti, dadeɛ ne silikate nkutoo na na ɛbɛtumi atena hɔ wɔ ɔkwan a ɛyɛ den so wɔ Sola Nhyehyɛeɛ a ɛwɔ mu a ɛyɛ hye a ɛbɛn Owia no mu, na awieɛ koraa no weinom bɛyɛ planeti abotan wom a ɛne Mercury, Venus, Asase, ne Mars. Esiane sɛ na dadeɛ nnoɔma yɛ owia nebula no fa ketewaa bi pɛ nti, asase so planeti ahodoɔ no antumi annyini kɛseɛ koraa. Planeti akɛseɛ (Jupiter, Saturn, Uranus, ne Neptune) no hyehyɛeɛ kɔɔ akyiri, wɔ awɔ no akyiri, beaɛ a ɛda Mars ne Jupiter kyinhyia ntam a nnoɔma yɛ nwini araa ma nsukyenee a ɛyɛ hye no kɔ so yɛ den. Na nsukyenee a ɛyɛɛ planeti yi dɔɔso sene dadeɛ ne silicate a ɛyɛ asase so planeti a ɛwɔ mu no, na ɛmaa wotumi nyini yɛɛ kɛseɛ ara ma ɛkyeree wiem akɛseɛ a hydrogen ne helium, nnoɔma a emu yɛ hare na ɛdɔɔso sene biara no. Nnoɔma a aka a ɛnyɛ planeti da no boaboaa ano wɔ mmeaɛ te sɛ planeti abɔsoɔ, Kuiper abɔsoɔ, ne Oort mununkum. Nice nhwɛsoɔ no yɛ nkyerɛkyerɛmu a ɛfa sɛdeɛ wɔbɔɔ saa mmeaeɛ yi ne sɛdeɛ anka planeti a ɛwɔ akyiri no bɛtumi ayɛ wɔ mmeaeɛ ahodoɔ na wɔatu akɔ wɔn mprempren kyinhyia no so denam tumi a ɛtwe ade ba fam nkitahodie ahodoɔ so.

Wɔ mfeɛ ɔpepem aduonum mu no, nhyɛsoɔ ne hydrogen a ɛwɔ protostar no mfinimfini no yɛɛ kɛseɛ ara ma ɛtumi firi aseɛ yɛɛ thermonuclear fusion. Ne hye, adeyɛ, nhyɛsoɔ, ne ɛmu duru kɔɔ soro kɔsii sɛ wonyaa hydrostatic equilibrium: Ne hye nhyɛso a ɛkari pɛ wɔ tumi a ɛtwe adeɛ ba fam no ho. Saa berɛ yi deɛ, Owia bɛyɛɛ nsoromma a ɛtoatoa so titiri. Adeɛ titiri a ɛtoatoa so no, firi mfitiase kɔsi awieɛ no, bɛtena hɔ bɛyɛ mfeɛ ɔpepepem du ama Owia no sɛ wɔde toto bɛyɛ mfeɛ ɔpepepem mmienu ho ma Owia no nkwa nna a edi nkaeɛ no fa afoforo nyinaa a wɔaka abom. Owia mframa a ɛfiri Owia mu no na ɛbɔɔ heliosphere no na ɛpraa mframa ne mfutuma a aka a efiri protoplanetary disc no mu no kɔɔ nsoromma ntam ahunumu. Berɛ a helium boaboa ano wɔ ne mfinimfini no Owia no reyɛ hann kɛseɛ; mfitiase no wɔ n’asetena titiri a ɛtoatoa so no mu no na ne hyerɛn yɛ 70% wɔ deɛ ɛte nnɛ no mu.

## Beaɛ a menyaa mmoa firiiɛ