Tauraron dan Adam dinmu, Wata, yana a tazarar tazarar kilomita 384.400 daga Duniya. Kowace shekara tana motsa santimita 3,4. Wannan yana nufin cewa tare da tafiyar miliyoyin shekaru wata zai iya daina kasancewa da tauraron dan adam. Menene zai faru idan yanayin ya kasance akasin haka? Wato idan wata ya dan matso kusa da duniyarmu duk shekara. An san wannan gaskiyar da Roche iyaka. Menene iyakar Roche?
A cikin wannan labarin mun bayyana komai game da shi.
Idan wata ya matso kusa da duniyar tamu
Da farko dai, ya kamata a ambata cewa wannan kirkirarren labari ne gabaɗaya. Wata ba shi da hanyar kusantar duniyarmu, don haka wannan duk zato ne. A zahiri, a zahiri, wata zai ci gaba da matsawa nesa da Duniya kowace shekara. Bari mu koma lokacin da duniyar tamu ta kasance sabuwa kuma falakin da tauraron dan adam dinmu yake ciki ya fi na yanzu kusa. A wannan lokacin tazara tsakanin duniya da tauraron dan adam karami ne. Bugu da kari, Duniya ta juya kanta a cikin sauri. Kwanakin ba su wuce awanni shida ba, kuma wata ya kwashe kwanaki 17 kacal ya kammala kewayawarsa.
Nauyin nauyi da duniyar tamu take nunawa a duniyar wata shine yake haifar da jinkirin juyawarsa. A lokaci guda, nauyin da wata yake yi a duniyarmu shine yake haifar da jinkirin juyawa. Saboda wannan, yau ranakun duniya suna tsawon awa 24. Ta hanyar kasancewa a cikin hanzari na tsarin, wata ne ke juyawa daga gare mu don ramawa.
Adana hanzarin kusurwa abu ne mai mahimmanci don kiyayewa a duka hanyoyin. Idan wata ya dauki sama da kwana daya yana kewayawa, sakamakon zai zama daidai yadda muke gani a nan. Wato, juyawar duniya tana raguwa kuma tauraron dan adam yana tafiya don ramawa. Koyaya, idan wata ya juyo da sauri a kanshi zai haifar da akasi: juyawar duniya zai hanzarta, kwanakin da zasu rage lokaci kaɗan kuma tauraron dan adam zai kusantowa kusa don ramawa.
Tasirin nauyi a kan iyakar Roche
Don fahimtar wannan, ya kamata mu sani cewa ƙarfin ƙarfin nauyi yana da rikitarwa idan muka kusanci sosai. Akwai ma'anar inda duk ma'amala da gravitational suka yi daidai. An san wannan iyaka azaman ƙarancin Roche. Game da tasirin da abu yake da shi lokacin da ƙarfinsa ya goyi bayansa. A wannan halin, muna magana ne game da wata. Idan wata yayi kusa da wani abu to nauyi zai iya zuwa karshe da nakasa shi da lalata shi. Wannan iyaka na Roche ya shafi taurari, tauraron dan adam, taurari da tauraron dan adam.
Hakikanin tazarar ya dogara da yawan abu, girma, da kuma yawan abubuwan duka. Misali, iyakar Roche tsakanin Duniya da wata shine kilomita 9.500. Ana yin la'akari da hakan ta hanyar kula da wata gama gari daga mai ƙarfi. Wannan iyaka yana nufin cewa, idan da tauraron dan adam namu yana da tazarar kilomita 9500 ko kasa da haka, to karfin duniyarmu zai dauke nasa. Sakamakon haka, wata zai zama zoben gutsurar abubuwa, ya farfashe gaba ɗaya. Kayan zasu ci gaba da juyawa zuwa kasa har sai sun kare suna faduwa sakamakon tasirin nauyi a saman. Wadannan abubuwa za'a iya kiransu meteorites.
Idan tauraro mai wutsiya yana nesa da kasa da kilomita 18000 daga doron kasa zai iya karewa da tasirin nauyi. Rana tana da ikon yin irin wannan sakamako amma tare da tazara mafi girma. Wannan saboda girman rana ne idan aka gwada da duniyarmu. Girman girman abu, ya fi ƙarfin ƙarfin nauyi. Wannan ba ka'ida ba ce kawai, amma lalata tauraron dan adam ta taurarinsu wani abu ne da zai faru a cikin tsarin hasken rana. Babban sanannen misalin wannan shine na Phobos, tauraron dan adam wanda yake zagayawa a kewayensa duniyar Mars kuma cewa tana yin hakan da sauri fiye da yadda duniya take yi a kanta.
A cikin iyakokin Roche, nauyi ne na ƙaramin abu wanda ba zai iya riƙe tsarinta tare ba. Sabili da haka, yayin da abin yake kusanci iyakar hedkwatar Roche wanda tasirin tasirin duniya ya fi shafa. Lokacin da ya ratsa wannan iyakar shekaru miliyan da yawa daga yanzu, tauraron dan adam zai zama zoben gutsutsun da zai zaga duniyar Mars. Da zarar dukkan gutsutsuren sun kasance suna kewayawa na wani lokaci, zasu fara yin sama-sama a saman duniyar.
Wani misalin abin da zai iya kusa da iyakar Roche, kodayake ba sananne bane, shine Triton, tauraron dan adam mafi girma a duniya. Neptuno. Ari ko lessasa, an kiyasta cewa a cikin kimanin shekaru biliyan 3600 abubuwa biyu na iya faruwa yayin da wannan tauraron ɗan adam ya kusanci ƙimar Roche: tana iya fadawa a sararin samaniyar duniya inda zata tarwatse ko kuma zai zama wani yanki na gutsuren kayan aiki kwatankwacin zobe wanda duniya take dashi Saturn.
Iyakar Roche da mutane
Za a iya tambayar mu tambaya: me yasa duniyar tamu ba za ta halakar da mu tare da ɗaukar nauyi ba ganin cewa muna cikin iyakar Roche? Kodayake yana yiwuwa cewa zai iya zama mai ma'ana, yana da amsa mai sauƙi. Nauyin nauyi yana rike jikin dukkan abubuwa masu rai wuri daya zuwa saman duniyar.
Wannan tasirin bashi da ma'ana idan aka kwatanta shi da abubuwan haɗin da ke haɗa jiki gabaɗaya. Misali, wannan karfin da ke tattare da alakar sinadarai a jikinmu ya fi karfin karfin nauyi. A zahiri, nauyi yana daga cikin raunin karfi a cikin dukkan karfi a duniya. Matsayi inda nauyi yayi karfi sosai zai zama dole, kamar a cikin bakin rami kamar dai a sanya Roche iyaka iya shawo kan ƙarfin da ke riƙe jikunanmu.
Ina fatan cewa tare da wannan bayanin zaku iya koyo game da iyakar Roche.