Indonisiya waxaa laga helay rinji 44.000 sano jir ah

Sawir laga helay darbiga 44.000 sano jir reer Indooniisiya ah ayaa la helay.

Farshaxanku wuxuu u muuqdaa inuu muujinayo digaag ay ugaadhsadeen qayb ahaan bini-aadamka, qayb ahaan xayawaanno wata waran iyo malaha xadhko.

Baarayaasha qaarkood waxay moodayaan in goobtaasi noqon karto sheekada ugu da’da weyn adduunka.

Natiijooyinka waxa lagu soo bandhigay joornaalka Nature by archaeologists-ka Jaamacadda Griffith ee Brisbane, Australia.

Adam Brumm - oo ah khabiir ku xeel dheer cilmiga cilmiga duugista - ayaa markii ugu horreysay arkay sawirrada laba sano ka hor, ka dib markii saaxiib ay Indonesia ku tuureen fig si ay u gaaraan marinka godka.

Brumm ayaa yidhi: "Sawiradani waxay ka soo muuqdeen iPhone-ki. "Waxaan u malaynayaa inaan ku dhawaaqayay ereyga afarta xaraf ee Australia cod dheer.

Naqshadeynta Indonesian ma ahan tan ugu da'da weyn adduunka. Sanadkii la soo dhaafay, saynisyahano ayaa sheegay in ay ka heleen "naqshaddii ugu da’da weynayd ee bini-aadamka" oo ku saabsan gogoshii dhagaxa weyn ee 73.000 sano jir ah ee Koonfur Afrika

Maxay sawirradu muujinayaan?
Qaababka ayaa laga helay god ku yaal Leang Bulu'Sipong 4 oo koonfur ka xigta Sulawesi, oo ah jasiirad Indonesia ku taal bariga Borneo.

Gudiga ayaa ku dhawaad ​​shan mitir balaaran wuxuuna u muuqdaa inuu soo bandhigayo nooc digaag la yiraahdo anoa, marka lagu daro doofaarka duurjoogta ah ee laga helo Sulawesi.

Marka laga soo tago waxaa jira tirooyin yar yar oo u eg bina aadamnimo - laakiin sidoo kale waxay leeyihiin astaamo xayawaan sida dabo iyo muusles.

Qeyb ahaan, anoa waxaa dhinacyaro badan oo leh dhowr warqado wata.

"Weligay ma arkin wax sidan oo kale ah," ayuu yidhi Brumm. "Waxaan ula jeedaa, waxaan ku aragnay boqolaal goobood oo farshaxanka dhagaxa ah gobolkaan - laakiin waligood maan arag wax u eg goobta ugaarsiga."

Si kastaba ha noqotee, cilmi-baarayaal kale ayaa la yaabay haddii goluhu matalayo hal sheeko oo ay yiraahdaan waxay noqon kartaa taxane sawirro taxane ah muddo dheer.

Paul Pettitt, oo ah khabiir ku xeel dheer cilmiga farshaxanka cilmiga farshaxanka ee jaamacadda Durham, ayaa u sheegay Nature.

Sideen ku ogaan karnaa inay tahay 44.000 sano jir?

Kooxdu waxay falanqeeyeen "calcite" ee ku aruuriyay sawirka.

Uranium-ka shucaaca ee macdanta ayaa si tartiib tartiib ah ugu xumaadaa galay thorium, markaa kooxdu waxay cabirtay heerarka kala-jaadnimada kala duwan ee walxahaas.

Waxay ogaadeen in calcite on doofaarka bilaabay inuu sameeyo ugu yaraan 43.900 sano ka hor, iyo dhigashada laba dibilool ugu yaraan ahaa 40.900 sano jir.

Waxaa jira ugu yaraan 242 godad ama hool leh sawirro qadiim ah oo ku yaal Sulawesi oo keliya - oo goobo cusub ayaa la ogaadaa sannad kasta.

Sidee la barbar dhigaa farshaxannada kale ee hore?
Waxaa laga yaabaa inaysan ahayn naqshaddii ugu da’da weyneyd, laakiin cilmi baarayaashu waxay leeyihiin waxaa laga yaabaa inay tahay sheekada ugu da’da weyn abid ee la arko.

"Markii hore, farshaxanimada dhagaxa ah ayaa laga helay baraha Yurub ee laga soo bilaabo taariikhdu markay ahayd 14.000 - 21.000 sano ka hor ayaa loo tixgeliyey inay tahay shaqada ugu da'da weyn ee sheekooyinka adduunka," ayuu yidhi jariidadda Nature.

Naqshadaha Sulawesi sidoo kale waxay noqon karaan naqshada xayawaankii ugu da'da yaraa ee abid la arko.

Sanadkii la soo dhaafay, rinjiyeynta godka ku yaal Borneo - oo la rumeysan yahay inuu ugu da'da weynaa xayawaan - ayaa la ogaaday inuu ugu yaraan 40.000 sano jir yahay.