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ʻO Zircons kahi mineral punahele ma waena o nā ʻepekema no ka mea paʻakikī lākou. ʻO kēia mau micrometer-nui Hiki i nā kristal ke kū i ka wā ma mua o nā piliona makahiki e mālama i nā mea huna geochemical o ko lākou hānau ʻana. Lawe pū lākou i nā isotopes uranium mai ke kaiapuni i ko lākou hana ʻana, e lawelawe ana ma ke ʻano he manawa e hoʻomaka ai mai ka manawa o ka zircons crystallize. Ebony Sex Doll

E popopo ana nā isotopes Uranium i ke kēpau ma nā helu hiki ke wānana. Ma ka helu ʻana i ka helu o nā ʻātoma kepau i hana ʻia a me nā ʻātoma uranium i koe, hiki i nā mea noiʻi ke ʻike i ka nui o ka manawa i hala mai ka wā i paʻa ai nā zircons mai nā mea hoʻoheheʻe ʻia.Lesbian Sex Doll

Ua ʻimi nā mea kākau noiʻi i nā zircons i hoʻokomo ʻia i loko o kahi laʻana pōhaku lunar i hōʻiliʻili ʻia i ka wā ʻo Apollo 17 i ka makahiki 1972, a ua kūkulu lākou i kahi palapala 3D o nā atom. ʻO ka helu ʻana i nā isotopes alakaʻi i loaʻa i kahi makahiki he 4.46 biliona makahiki, ʻo ia ka makahiki kahiko loa no ka hoʻokumu ʻana o ka ʻōpala mahina.

Ua hoʻoholo mua ʻia kēia makahiki e nā hoa hana a Greer i alakaʻi ʻia e Bidong Zhang lāua ʻo Audrey Bouvier i 2021, akā ua hoʻohālikelike ka hōʻike. Ua kuhikuhi ka poʻe hoʻohewa i ka ʻoiaʻiʻo e neʻe ana nā ʻātoma alakaʻi e hana i nā ʻeke kiʻekiʻe a haʻahaʻa paha i loko o ka pōhaku. Ma muli o kahi e nānā ai kekahi, aia kahi manawa e ʻike ai lākou i kēia mau wahi alakaʻi i puʻunaue ʻole ʻia a kuhi hewa i ka makahiki o ka zircon.

No ka hōʻoluʻolu ʻana i kēia mau manaʻo, ua hoʻokokoke ʻo Bouvier i ka hui o Greer e helu hou i nā ʻātoma, i kēia manawa me kahi probe ion e hiki ke hoʻāʻo i ka pōhaku ma kahi hoʻonā spatial kiʻekiʻe aʻe i hoʻohana ʻia ma ka noiʻi mua. ʻO ka ʻimi ʻoi aku ka maikaʻi e ʻae i ka hui e ʻike i nā wahi nanosized o nā ʻātoma alakaʻi waiwai a i hoʻopau ʻia paha, inā aia kekahi. ʻAʻole naʻe i loaʻa iā lākou. Melina Elden Ring Sex Doll

"Ma kēia zircon, ua like nā mea a pau, no laila ʻaʻole mākou hopohopo e pili ana i kēlā," wahi a ka mea kākau noiʻi ʻo Philipp Heck, he cosmochemist ma ka Field Museum a me ke Kulanui o Chicago. Ua hōʻoia ka hopena ua pololei ka makahiki i ana mua ʻia he 4.46 biliona makahiki.

"He haʻawina maikaʻi loa ia," wahi a Melanie Barboni, he kanaka geochemist ma Arizona State University ʻaʻole i komo i ka noiʻi. Ua aʻo ʻo Barboni i nā isotopes ʻē aʻe i loko o nā zircon lunar e ʻike ai ua noho mua ka loko o ka mahina i nā papa ʻokoʻa he 4.51 biliona makahiki i hala aku nei, kahi hanana ma mua o nā pae hope o ka hoʻokumu ʻia ʻana o ka crust i hopu ʻia i ka noiʻi hou.

Wahi a Barboni ua kūpono ka noiʻi hou me kāna mau ʻike ponoʻī. "Ke manaʻo nei ka nui o nā pepa i hana ʻia ka mahina ma mua o kēlā, 4.3 biliona makahiki, no ka laʻana," wahi āna. "ʻAʻole hiki ke hiki me kēlā ʻikepili."