Maris 20, 2024 (Labaran Nanowerk) Aƙalla ɗaya cikin taurari goma sha biyu na nuna shaidar cin dusar ƙanƙara a cewar wata takarda da aka buga a ciki Nature ("Aƙalla ɗaya cikin taurari goma sha biyu yana nuna shaidar cin duri"). Tawagar bincike ta duniya ta yi nazarin taurari tagwaye waɗanda yakamata su kasance da nau'i iri ɗaya. Amma, a kusan kashi takwas cikin ɗari na lokuta, sun bambanta, suna damun masana ilmin taurari. Tawagar, karkashin jagorancin masu binciken ASTRO 3D, sun gano cewa bambancin ya samo asali ne saboda daya daga cikin tagwayen da ke cinye duniyoyi ko abubuwan duniya.
Tauraruwa tagwaye ta kama wani duniyar ƙasa. (Ra'ayin mai fasaha ta hanyar da ba za a iya taɓa shi ba, © OPENVERSE) Sakamakon binciken ya sami damar godiya ga babban bayanan da aka tattara tare da na'urar hangen nesa na Magellan mai tsayin mita 6.5 da na'urar hangen nesa mai girma ta Kudancin Turai, duka a Chile, da na'urar hangen nesa na Keck mai tsawon mita 10 a Hawaii. , Amurka.
“Mun kalli taurari tagwaye suna tafiya tare. An haife su daga gajimare na kwayoyin halitta don haka ya kamata su kasance iri ɗaya, "in ji ASTRO 3D Research Dr Fan Liu, daga Jami'ar Monash, kuma jagoran marubucin jaridar.
“Godiya ga wannan ingantaccen bincike, muna iya ganin bambance-bambancen sinadarai tsakanin tagwayen. Wannan yana ba da shaida mai ƙarfi cewa ɗaya daga cikin taurari ya haɗiye duniyoyi ko abubuwan duniya kuma ya canza fasalinsa. Lamarin ya bayyana a kusan kashi takwas cikin dari na tagwayen taurari 91 da kungiyar ta duba. Abin da ya sa wannan binciken ya zama mai tursasawa shi ne cewa taurari sun kasance a farkon rayuwarsu - abin da ake kira manyan jerin taurari, maimakon taurari a matakin karshe kamar jajayen kattai.
"Wannan ya bambanta da nazarce-nazarcen da suka gabata inda taurarin baya-bayan nan za su iya mamaye duniyoyin da ke kusa lokacin da tauraruwar ta zama babbar kwallo," Dr. Liu ya ce.
Akwai shakka ko taurari suna hadiye taurarin duniyoyi gaba ɗaya ko kuma sun mamaye abubuwan da ake kira protoplanetary amma Dr. Liu yana zargin duka biyun suna yiwuwa.
“Yana da rikitarwa. Shigar da duniyar gaba ɗaya shine yanayin da aka fi so amma ba shakka ba za mu iya yin watsi da cewa waɗannan taurari sun cinye abubuwa da yawa daga faifai na sararin samaniya ba, ”in ji shi.
Sakamakon binciken yana da fa'ida mai fa'ida ga nazarin juyin halittar dogon lokaci na tsarin duniya.
“Masana ilmin taurari sun kasance suna gaskata cewa irin waɗannan abubuwan ba su yiwuwa. Amma daga abubuwan lura a cikin bincikenmu, zamu iya ganin cewa, yayin da abin da ya faru ba shi da yawa, yana yiwuwa a zahiri. Wannan yana buɗe sabon taga ga masana ka'idojin juyin halitta don yin nazari," in ji Mataimakin Farfesa Yuan-Sen Ting, mawallafi kuma mai bincike na ASTRO 3D daga Jami'ar Ƙasa ta Australiya (ANU).
Binciken ya kasance wani ɓangare na babban haɗin gwiwa, Cikakkiyar Ƙididdigar Ƙididdigar Ƙungiyoyin Abubuwa (C3PO) don kiyaye cikakken samfurin dukkan taurari masu motsi masu haske wanda tauraron dan adam na Gaia ya gano, wanda Liu ke jagoranta tare. Ting, da Mataimakin Farfesa David Yong (kuma tare da ASTRO 3D a ANU).
Abubuwan da aka gabatar anan suna ba da gudummawa ga babban hoton babban jigon bincike na ASTRO 3D: Juyin Halitta na Halitta. Musamman, sun ba da haske kan yadda ake rarraba sinadarai da tafiyarsu ta gaba, wanda ya haɗa da yadda taurari ke cinye su,” in ji Farfesa Emma Ryan-Weber, Daraktan ASTRO 3D.
Masana kimiyya daga Jami'ar Fasaha ta Swinburne ta Ostiraliya, Kwalejin Jami'ar Cork a Ireland, Carnegie Observatories, Jami'ar Jihar Ohio, Kwalejin Dartmouth a Amurka, Konkoly Observatory in Hungry, da Cibiyar Max Planck don Astronomy ne suka shiga cikin binciken.
Lura: Masu binciken sunyi aiki tare da tauraro tagwaye da aka sani da co-natal - wanda aka haifa a cikin gajimare na kwayoyin halitta da tafiya tare.
Tauraruwa tagwaye ta kama wani duniyar ƙasa. (Ra'ayin mai fasaha ta hanyar da ba za a iya taɓa shi ba, © OPENVERSE) Sakamakon binciken ya sami damar godiya ga babban bayanan da aka tattara tare da na'urar hangen nesa na Magellan mai tsayin mita 6.5 da na'urar hangen nesa mai girma ta Kudancin Turai, duka a Chile, da na'urar hangen nesa na Keck mai tsawon mita 10 a Hawaii. , Amurka.
“Mun kalli taurari tagwaye suna tafiya tare. An haife su daga gajimare na kwayoyin halitta don haka ya kamata su kasance iri ɗaya, "in ji ASTRO 3D Research Dr Fan Liu, daga Jami'ar Monash, kuma jagoran marubucin jaridar.
“Godiya ga wannan ingantaccen bincike, muna iya ganin bambance-bambancen sinadarai tsakanin tagwayen. Wannan yana ba da shaida mai ƙarfi cewa ɗaya daga cikin taurari ya haɗiye duniyoyi ko abubuwan duniya kuma ya canza fasalinsa. Lamarin ya bayyana a kusan kashi takwas cikin dari na tagwayen taurari 91 da kungiyar ta duba. Abin da ya sa wannan binciken ya zama mai tursasawa shi ne cewa taurari sun kasance a farkon rayuwarsu - abin da ake kira manyan jerin taurari, maimakon taurari a matakin karshe kamar jajayen kattai.
"Wannan ya bambanta da nazarce-nazarcen da suka gabata inda taurarin baya-bayan nan za su iya mamaye duniyoyin da ke kusa lokacin da tauraruwar ta zama babbar kwallo," Dr. Liu ya ce.
Akwai shakka ko taurari suna hadiye taurarin duniyoyi gaba ɗaya ko kuma sun mamaye abubuwan da ake kira protoplanetary amma Dr. Liu yana zargin duka biyun suna yiwuwa.
“Yana da rikitarwa. Shigar da duniyar gaba ɗaya shine yanayin da aka fi so amma ba shakka ba za mu iya yin watsi da cewa waɗannan taurari sun cinye abubuwa da yawa daga faifai na sararin samaniya ba, ”in ji shi.
Sakamakon binciken yana da fa'ida mai fa'ida ga nazarin juyin halittar dogon lokaci na tsarin duniya.
“Masana ilmin taurari sun kasance suna gaskata cewa irin waɗannan abubuwan ba su yiwuwa. Amma daga abubuwan lura a cikin bincikenmu, zamu iya ganin cewa, yayin da abin da ya faru ba shi da yawa, yana yiwuwa a zahiri. Wannan yana buɗe sabon taga ga masana ka'idojin juyin halitta don yin nazari," in ji Mataimakin Farfesa Yuan-Sen Ting, mawallafi kuma mai bincike na ASTRO 3D daga Jami'ar Ƙasa ta Australiya (ANU).
Binciken ya kasance wani ɓangare na babban haɗin gwiwa, Cikakkiyar Ƙididdigar Ƙididdigar Ƙungiyoyin Abubuwa (C3PO) don kiyaye cikakken samfurin dukkan taurari masu motsi masu haske wanda tauraron dan adam na Gaia ya gano, wanda Liu ke jagoranta tare. Ting, da Mataimakin Farfesa David Yong (kuma tare da ASTRO 3D a ANU).
Abubuwan da aka gabatar anan suna ba da gudummawa ga babban hoton babban jigon bincike na ASTRO 3D: Juyin Halitta na Halitta. Musamman, sun ba da haske kan yadda ake rarraba sinadarai da tafiyarsu ta gaba, wanda ya haɗa da yadda taurari ke cinye su,” in ji Farfesa Emma Ryan-Weber, Daraktan ASTRO 3D.
Masana kimiyya daga Jami'ar Fasaha ta Swinburne ta Ostiraliya, Kwalejin Jami'ar Cork a Ireland, Carnegie Observatories, Jami'ar Jihar Ohio, Kwalejin Dartmouth a Amurka, Konkoly Observatory in Hungry, da Cibiyar Max Planck don Astronomy ne suka shiga cikin binciken.
Lura: Masu binciken sunyi aiki tare da tauraro tagwaye da aka sani da co-natal - wanda aka haifa a cikin gajimare na kwayoyin halitta da tafiya tare.
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