Kimiyya ba ta daina ƙoƙarin nemo duniyar da ke da halaye iri ɗaya da duniyar duniyar ba. Babban burin shine samun duniyar da ke da yuwuwar zama. A wannan yanayin, a cikin shekara ta 2018 an gano duniyar Kepler 1649c. Duniya ce da ke da yanayin da ya yi kama da na duniyarmu kuma yana iya zama abin zama.
A cikin wannan labarin za mu gaya muku game da halaye da binciken da aka yi na exoplanet Kepler 1649c.
Exoplanet Kepler 1649c
Na'urar hangen nesa ta Kepler ta daina aiki a watan Nuwambar 2018, amma bayanan da cibiyar binciken ta bayar na ci gaba da yin bincike daga al'ummar kimiyya, tare da lura da boye wasu duwatsu masu daraja daga lokaci zuwa lokaci. Abin mamaki na baya-bayan nan shine Kepler-1649c, wani exoplanet a yankin tauraronsa. A wannan lokaci, idan muka san fiye da 4.200 exoplanets, da yawa daga cikinsu suna cikin yankin da ake zama, za mu iya tambayar kanmu: Menene na musamman game da Kepler-1649c? To, na farko shine girmansa. Kepler-1649c shine sau 1,06 diamita na Duniya. A wasu kalmomi, duniya ce ta duniya a cikin yankin da ake zama. Tauraruwarsa dwarf ce mai nau'in M-ja wacce take da kashi 20% kacal na yawan Rana, don haka yankin da ake zaune a tsarin yana kusa da tauraro.
A gaskiya ma, lokacin Kepler-1649c shine kwanaki 19,5 kawai (kimanin kilomita miliyan 15). Duk da kewayawa kusa da ita, tana da ma'aunin zafin jiki na kusan 234 Kelvin kuma yana da kashi 74% na yawan kuzarin da duniya ke samu daga Rana. Bugu da ƙari kuma, "kawai" yana da shekaru 300 haske, idan aka kwatanta da duniya, yawancin taurari. Kepler ya gano.
Har ila yau, dole ne a jaddada cewa an gano Kepler-1649c ta hanyar hanyar wucewa, don haka kawai mun san girmansa da lokacin kewaye. Gaskiyar cewa yana cikin yankin da ake zaune baya nufin yana da ruwa a samansa. tun da kasancewar ruwa oxides a cikin wani abu ya dogara da yawancin sigogi da ba a sani ba (yawanci da abun da ke cikin yanayi, lokacin juyawa, karkatar da axis, aikin ciki, da dai sauransu). Kamar yadda rubutunsa ya nuna, Kepler-1649c ita ce duniya ta biyu da aka gano a cikin tsarin Kepler-1649, bayan Kepler-1649b, duniya mai girman kwanaki 8,7-Duniya wacce aka tabbatar da wanzuwarta a baya. Saboda haka, shi ne exovenus.
Wuri na exoplanet Kepler 1649c
Tafsirin Kepler-1649b da Kepler-1649c suna cikin 9:4 resonance, amma wannan sautin yana da rauni sosai, don haka za a iya samun duniya ta uku a cikin tsarin da ba a gano shi ba tukuna, wanda ke tsakanin taurari biyu da aka gano, kuma duniyoyin biyu suna da alaƙa da wannan duniyar hasashe tana cikin sautin 3:2. Tun da babu alamun wannan duniyar ta uku a cikin bayanan Kepler, yana nufin cewa ya fi Mars karami ko kuma jirgin samansa yana da wata karkata daban kuma ba zai iya wucewa rana kamar yadda ake gani daga duniya ba.
Duk da haka dai, abin da ke da ban sha'awa sosai game da Kepler-1649c shine cewa an gano shi a wannan shekara ta hanyar nazarin bayanai daga babban aikin Kepler da aka samu tsakanin 2010 da 2013. A cikin 2014, an gano dan takarar exoplanet ko KOI (Kepler Object of Interest). ) kusa da tauraron mai suna KOI 3138.01. Binciken da aka yi a baya na wannan ɗan takarar hasken duniya ta hanyar amfani da takamaiman software da ake kira Robovetter ya tabbatar a cikin 2017 cewa, hakika, duniyar gaske ce kuma ana kiranta Kepler-1649b. Duk da haka, Robovetter ya kawar da wani yiwuwar dan takarar exoplanet, KOI 3138.02, a matsayin tabbataccen ƙarya.. Wani sabon binciken KOI 3138.02 da ƙungiyar masana astronomers da Andrew Vanderburg ya jagoranta ya nuna cewa duniyar gaske ce bayan haka: Kepler-1649c. Duk saboda hasken haske na KOI 3138.02 ya dauki hankalin mutanen da suke nazarin bayanan Kepler a gani. Wannan yana nufin cewa, a gefe guda, abubuwan da aka ƙi a matsayin abubuwan da ba su dace ba har yanzu suna iya ɓoye wasu tsiraru kaɗan na zahiri kuma, a gefe guda, binciken gani na ɗan adam yana da fa'ida sosai a wannan fagen.
Wani al'amari mai ban sha'awa na Kepler-1649c shine ita ce duniya ta farko mai yuwuwar zama da aka gano a cikin dodanni masu matsakaicin launin ruwan kasa da Kepler ya gani. Makasudin farko na Kepler sune taurari irin na rana, amma kuma ya lura da jajayen dwarfs da yawa a fagen kallonsa na farko. Ko da yake jajayen dwarfs ba su da matsuguni fiye da taurari irin na hasken rana saboda yawan hasken ultraviolet da suke da shi da kuma yadda suke fitar da manyan filaye, yawan adadinsu da tsawon rayuwarsu yana nufin cewa, bisa la’akari da yiwuwar, dole ne a sami ƙarin taurarin da za su iya zama. Don zama madaidaici, mun sani daga bayanan Kepler cewa, a matsakaita, kowane jajayen dwarf yana da fiye da taurari biyu waɗanda suka yi ƙasa da Neptune kuma suna da lokacin ƙasa da kwanaki 200. A haƙiƙa, ana samun ƙarin asteroids a kusa da jajayen dwarf fiye da kewayen taurari irin na rana.
Duniya mai yuwuwar zama
Kepler-1649c ba wai kawai mafi kusancin duniya ba ne ta fuskar girma da adadin kuzarin da yake samu daga tauraronsa, amma yana ba da sabon hangen nesa na tsarin gida. A duk sau tara da taurarin sararin samaniya na tsarin suke kewaya tauraronsu, taurarin da ke ciki suna kewayawa kusan sau hudu daidai.
Kasancewar kewayawarsu ta zo daidai a cikin irin wannan kwanciyar hankali na dangantaka yana nuna cewa tsarin da kansa yana da kwanciyar hankali kuma mai yiwuwa ya wanzu na dogon lokaci.
Kusan madaidaitan ma'aunin lokaci gabaɗaya Wani abin al'ajabi da ake kira orbital resonance ne ke haifar da su., amma rabon tara zuwa huɗu ya bambanta tsakanin tsarin taurari. Sau da yawa, resonance yana faruwa ta hanyar dangantaka biyu zuwa ɗaya ko uku zuwa biyu. Ko da yake ba a tabbatar da shi ba, rashin daidaituwar wannan dangantakar na iya ba da shawarar wanzuwar duniyar tsaka-tsaki, tare da duniyoyin ciki da na waje suna jujjuyawa cikin daidaitawa, suna ƙirƙirar sauti ɗaya-uku-biyu.
Kamar yadda kuke gani, kimiyya ba ta daina ƙoƙarin nemo duniyoyi masu kama da namu a cikin yanayi don ganin ko za su iya zama ko a'a. Ina fatan cewa tare da wannan bayanin zaku iya ƙarin koyo game da exoplanet Kepler 1649c da halayensa.