Izvo zvakasikwa hazviperi uye zvinogara zvichichinja. Mapuraneti haana magumo uye simba ravo futi. Muenzaniso weiyi ndeyekusingaperi huwandu hwemeteorite inowira pane yedu, mazhinji acho ari madiki zvekuti haana kunyoreswa nechero ani. Uye mamwe akawanda anogona kupa zviratidzo zvemashoko asingafungidzike. Semuenzaniso kuti paPasi pano pane chingangove chidimbu cheimwe nyika.
Chikwata chepasi rose chemasayendisiti chinoti meteorite inowanikwa murenje reSahara muAlgeria, kuchamhembe kweAfrica chidimbu chenyika. Kunyanya, yavo yekutsvagisa inoti inoratidzika senge yakasara ye "Yekare protoplanet," kugadzira dombo remuchadenga chishuwo chakashamisa icho chinogona kupa ruzivo rusina kumboitika nezve makore ekutanga eSolar System yedu. Ehe, hapana chimwezve uye hapana zvishoma.
Erg Cheche 002 kana EC 002 (sekudanwa kwaitwa meteorite) yakawanikwa muna Chivabvu gore rapfuura pamwe nezvidimbu zvematombo zvinorema 32 kilograms (70 mapaundi) muErg Chech sand sea kumaodzanyemba kwakadziva kumadokero kweAlgeria.
Yakaratidzwa nekukurumidza. Panzvimbo pekuumbwa kunowanikwa meteorite akawanda, ayo anoumbwa kana zvidimbu zveguruva nedombo zvonamira pamwechete, maratidziro awo aive akapusa, aine inclusions yemipirosi yekristini (chicherwa chakagadzirwa necalcium, magnesium uye iron). Yakanga yakasvibira yakasviba kana nhema, yaive ne vitreous sheen, yakafanana nematombo anoputika.
Izvi zvinomiririra mukana wakasarudzika wekudzidza nhanho dzekutanga dzekuumbwa kwepuraneti uye kudzidza zvakawanda nezve mamiriro mumazuva ekutanga eSolar System apo mapuraneti atinoziva uye atinoda nhasi achiri kuumbwa.
Zvizhinji nezve EC 002
ScienceAlert inoshuma kuti asteroid yakakurumidza kutaurwa seisina kujairika mushure mekuwanikwa kwayo muErg Tarisa gungwa rejecha muna Chivabvu 2020 sezvo, kusiyana nemameteorite mazhinji, yakanga yaumbwa zvakajeka negomo, zvichiratidza kuti zvakatanga sechikamu cheprotoplanet, iyo chimwe chinhu senge "embryo" yepasi, inomiririra chikamu chekutanga chikamu chekushanduka kwayo.
Asi sekutsanangurwa kwazvakaitwa mupepa nyowani rakaburitswa mu "Proceedings of the National Academy of Sciences," ongororo yekuora kwemwaranzi yemasotopu mune muyenzaniso inoratidza kuti yakaumbwa makore angangoita mamirioni 4,566 apfuura. Iyo inguva yakati rebei kudarika Nyika yakambovapo, zvinoreva kuti ingangove chikamu chenyika dzakasiyana, uye pamwe yaenda.
Izvo hazvisi pachena, kubva kupi protoplanet iyo asteroid ingadai yakatangira. Nekudaro, sezvo parizvino iri iro dangwe remagmatic dombo rakamboonekwa, vatsvagurudzo vakanyora mupepa ravo, zvingangove chokwadi kuti ichave iri nyaya yekumwe kuongorora. Uye izvo masayendisiti anowana nekunzvera chidimbu chekare kunogona kujekesa nyowani pane nhoroondo yeedu nyeredzi system.
