Dzidziso dzekare dzegadziriro yezuva dzakaputsika kuva huruva
Kune dzimwe nyaya dzinotaurwa nematombo ezuva. PaZuva reGore Idzva kubva 2015 kusvika 2016, 1,6 kg meteor yakarova pedyo neKatya Tanda Lake Air muAustralia. Masayendisiti akakwanisa kuitsvaga pasi nekuiwana munzvimbo dzakakura dzerenje nekuda kwekamera nyowani inodaidzwa kuti Desert Fireball Network, ine makamera makumi matatu nemaviri ekutarisa akapararira kunze kweAustralia.
Boka revasayendisiti vakawana meteorite yakavigwa mudhaka gobvu remunyu - pasi pakaoma padhamu pakatanga kushanduka kuita silt nekuda kwekunaya kwemvura. Mushure mezvidzidzo zvekutanga, masayendisiti akati iyi inogona kunge iri stony chondrite meteorite - zvinhu zvinenge mabhiriyoni mana nehafu yemakore, ndiko kuti, nguva yekuumbwa kwezuva redu. Kukosha kwemeteorite kwakakosha nekuti nekuongorora mutsara wekudonha kwechinhu, tinokwanisa kuongorora kutenderera kwacho toziva kwachakabva. Rudzi urwu rwe data runopa ruzivo rwakakosha rwemamiriro ekutsvaga mune ramangwana.
Panguva ino, masayendisiti akafunga kuti meteor yakabhururuka kuenda kuNyika kubva munzvimbo dziri pakati peMars neJupiter. Inotendwawo kuti yakakura kudarika Earth. Kuwanikwa kwacho hakungoiti kuti tinzwisise mhindumupindu zuva -Kubudirira kubata meteorite kunopa tariro yekuwana yakawanda nzvimbo matombo nenzira imwecheteyo. Mitsetse yemagnetic field yaipfuura negore reguruva negasi rakanga rakakomberedza zuva rakambozvarwa. Chondrules, round grains (geological structures) ye olivines uye pyroxenes, yakapararira munyaya ye meteorite yatakawana, yakachengetedza rekodhi yeiyi yekare yakasiyana-siyana magnetic field.
Zviyero zvakanyatsorongeka zverabhoritari zvinoratidza kuti chinhu chikuru chakakurudzira kuumbwa kwezuva raive magnetic shock waves mugore reguruva uye gasi rakapoteredza zuva richangoumbwa. Uye izvi hazvina kuitika munzvimbo iri pedyo yechidiki nyeredzi, asi zvakanyanya mberi - uko kune bhanhire re asteroid nhasi. Mhedziso dzakadai kubva pakudzidza kweakanyanya ekare uye echinyakare anonzi meteorites chondrites, rakabudiswa mukupera kwegore rapera mumagazini Science nemasayendisiti kubva Massachusetts Institute of Technology uye Arizona State University.
Boka rekutsvagisa repasi rese rakaburitsa ruzivo rutsva nezve kemikari yeguruva tsanga yakaumba solar system makore 4,5 bhiriyoni apfuura, kwete kubva mumarara ekutanga, asi vachishandisa mafaniro epamusoro emakombuta. Vatsvagiri veSwinburne University of Technology muMelbourne uye University of Lyon muFrance vakagadzira mepu ine mativi maviri emakemikari eguruva anoumba solar nebula. huruva disk kutenderedza zuva rechidiki kubva kwaakaita mapuraneti.
Kupisa kwepamusoro-soro kwaitarisirwa kuva pedyo nezuva rechidiki, ukuwo mhepo inopisa (senge ice nesarufa yakasanganiswa) yaitarisirwa kuva kure nezuva, uko kunenge kwakadzikira. Mamepu matsva akagadzirwa neboka rekutsvagisa airatidza kugovanisa kemikari kwakaoma kweguruva, uko makomba asina kusimba aive pedyo neZuva, uye izvo zvaifanira kunge zvakawanikwa ipapo zvakagara kure nenyeredzi diki.
Jupiter ndiye muchenesi mukuru
9. Mufananidzo weKutama Dzidziso yeJupiter
Pfungwa yakambotaurwa yechidiki inofamba Jupiter inogona kutsanangura kuti sei pasina mapuraneti pakati peZuva neMercury uye nei pasi riri pedyo neZuva riri diki zvakadaro. Musimboti weJupiter unogona kunge wakaumba pedyo neZuva uye wobva watenderera munzvimbo yakaumbwa mapuraneti ane matombo (9). Zvinogoneka kuti Jupiter mudiki, sezvayaifamba, yakatora zvimwe zvezvinhu zvaigona kuva zvinhu zvekuvakisa mapuraneti ane matombo, ndokukandira chimwe chikamu muchadenga. Nokudaro, kukura kwemapuraneti emukati kwakanga kwakaoma - nekuda kwekushayikwa kwezvinhu zvakagadzirwa., akanyora sainzi wemapuraneti Sean Raymond nevamwe vaaishanda navo mune yepamhepo Kurume 5 chinyorwa. mu periodical Monthly Notices dzeRoyal Astronomical Society.
Raymond nechikwata chake vakamhanyisa masimulation emakombuta kuti vaone zvaizoitika kune zvemukati zuvakana mutumbi une hutatu hutatu hwePasi uripo mukutenderera kweMercury uye wobva watama kunze kwehurongwa. Zvakazoitika kuti kana chinhu chakadaro chisina kutama nekukurumidza kana kuti zvishoma nezvishoma, chaigona kujekesa nzvimbo dzemukati dze diski yegasi uye guruva rakazotenderedza Zuva, uye raizosiya chete zvinhu zvakakwana zvekuumbwa kwemapuraneti ane matombo.
Vatsvagiri vakawanawo kuti mudiki Jupiter angadai akakonzera chechipiri musimboti wakaburitswa neZuva panguva yekutama kwaJupiter. Iyi nucleus yechipiri inogona kunge yaive mbeu yakazvarwa Saturn. Simba rinokwevera zvinhu pasi reJupiter rinogonawo kudhonza zvinhu zvakawanda mubhandi reasteroid. Raymond anocherekedza kuti chiitiko chakadaro chinogona kutsanangura kuumbwa kwesimbi meteorites, iyo masayendisiti mazhinji anotenda kuti inofanira kuumba iri pedyo neZuva.
Zvisinei, kuitira kuti proto-Jupiter yakadaro iende kunzvimbo dzekunze dzepuraneti, rombo rakanaka rinodiwa. Kudyidzana kwegiravhiti nemasaisai anotenderera mudhisiki yakatenderedza Zuva kunogona kumhanyisa pasi rakadaro kunze uye mukati mesolar system. Kumhanya, chinhambwe uye kwaichaita pasi kunotsamira pahuwandu hwakadai setembiricha uye density yedhisiki. Raymond uye vaanoshanda navo 'simulations vanoshandisa dhisiki rakarerutswa, uye hapafanirwe kunge paine gore rekutanga rakatenderedza zuva.
