Tabbas kun taɓa jin labarin meteor shower da aka sani da nace ko hawayen San Lorenzo. Ruwa ne na yanayi wanda ya bayyana a cikin tauraron Perseus, saboda haka sunan sa, kuma wannan yana da mafi girman dacewa tsakanin Agusta 9 da 13. A cikin kwanakin nan zaka iya ganin tarin layuka masu haske a cikin sararin samaniya, wanda yayi daidai da abin da ake kira ruwan meteor. Yana ɗaya daga cikin sanannun sanyin meteor a duniya kuma yana da ƙarfin gaske tunda zasu iya samar da meteors 80 cikin awa ɗaya ko fiye. Dole ne a yi la'akari da cewa yanayin yanayin ƙasa na wannan lokacin fannoni ne da ake buƙata don jin daɗin su sosai.
Saboda haka, zamu sadaukar da wannan labarin don gaya muku duk halaye, asali da yadda ake ganin toan Perseids.
Babban fasali
Sananne ne cewa a duk shekara akwai ruwan sama daban-daban a wurare daban-daban a sararin samaniya. Koyaya, Perseids sune waɗanda suka fi dacewa tunda yana da ƙimar meteors a cikin awa ɗaya. Hakanan, suna faruwa a lokacin dare lokacin bazara a arewacin, yana mai da shi daɗi sosai. Shawar meteor da ke faruwa a lokacin hunturu ya zama mafi rikitarwa. Na farko, saboda sanyin dare wanda ba zai ba ka damar jin daɗi yayin kallon ruwan meteor ba. A gefe guda, muna da mummunan yanayin yanayi. A lokacin hunturu da alama akwai ruwan sama, hazo ko karin girgije wanda ba zai baka damar ganin El Hierro da kyau ba.
Sinawa sun san mutanen Perseids a kusan AD 36 A wani lokaci a tsakiyar zamanai, Katolika sunyi baftisma da wannan ruwan sama da sunan hawayen San Lorenzo. A dabi'ance akwai wasu muhawara game da asalin wadannan taurari tunda sunada yawa. Strongaƙƙarfan yarjejeniya mai ƙarfi game da batun lamari ne kawai na yanayi. Koyaya, riga a farkon Arni na XIX wasu masanan taurari sun gano su a matsayin abin mamaki na sama.
Yawanci ana yin shawa na meteor bayan taurari wanda suka fito. Wannan na iya haifar da wasu lokuta kuskure saboda tasirin hangen nesa. Wasu daga cikin shawa na yanayin yanayi yawanci suna daidaita da hanyoyin meteors. Wannan ya sa ya bayyana ga mai lura a ƙasa cewa sun haɗu a wani wurin da ake kira mai annuri.
Asalin mutanen Perseids
Mun riga mun ambata cewa asalin yana da wuyar sani. Koyaya, a farkon shekarun karni na sha tara, wasu masana kimiyya irin su Alexander von Humboldt da Adolphe Quetelet sunyi tunanin cewa shawan meteor abubuwa ne na yanayi. Leonids sune ruwan sama na meteor wanda ke faruwa akai-akai a watan Nuwamba, musamman mai tsanani idan aka kwatanta da sauran ruwan meteor. A sakamakon wannan a nan an yi tattaunawa na ainihi game da yanayin taurarin harbi.
Bayan karatu daban-daban, masana taurari dan Amurka Denison Olmsted, Edward Herrick, da John Locke sun yanke hukunci da kansu cewa shawa meteor ya samo asali ne daga gutsuttsarin abubuwa da ƙasa ta ci karo da su yana zagawa ne da rana a kowace shekara. Bayan wasu shekaru wasu masana ilimin taurari sune suka gano alakar da ke tsakanin kewayen taurarin dan adam da kuma yanayin meteor. Ta wannan hanyar, yana yiwuwa a tabbatar cewa zagaye na sharhin Tempel-Tuttle yayi daidai da bayyanar Leonids. Wannan shine yadda za'a iya sanin asalin ruwan sama. An san cewa wadannan ruwan sama ba komai bane face haduwar wannan duniyar tamu tare da wasu ragowar da wasu taurari masu wutsiya suka bari wanda kewayar su ta kawo su kusa da rana.
Comets da Meteor Shawa
Tunanin tauraro wanda aka sani da suna Perseids ya samo asali ne daga tauraron dan adam mai tauraro mai wutsiya da kuma tauraron dan adam. Astroroid abubuwa ne wadanda suma suna cikin tsarin rana kamar yadda duniyoyi suke. Waɗannan gutsutse ne waɗanda nauyi da rana ke jan su kuma burbushin ya warwatse a cikin sifar ƙura a kewayar. Usturar ta ƙunshi abubuwa daban-daban waɗanda suke da girma dabam-dabam. Akwai wasu gutsutsuren da suke da ƙarami kaɗan a ƙasan micron, kodayake akwai kuma waɗanda suke da girman abin godiya.
Lokacin haduwa da yanayin duniya cikin sauri, sunadaran da ke cikin sararin suna ionized. Anan ne aka samar da sahun haske wanda aka sani da tauraron harbi. Idan muka nazarci batun mutanen Perseids, zamu ga cewa suna kaiwa gudun kilomita 61 a sakan daya idan sun hadu da duniyarmu. Ka tuna cewa, don tauraron harbi ya zama mafi bayyane, dole ne ya sami babban gudu. A irin wannan hanyar, mafi girman saurin, mafi girman hasken meteor.
Tauraruwar wutsiya wacce ta haifar da dawisu shine 109P / Swift-Tuttle, gano a 1862 kuma tare da kimanin m diamita 26 km. Lokacin da tauraron tauraro mai wutsiya zai yi tafiyar rana da shi kusan shekaru 133 ne. An gan shi a ƙarshe a cikin 1992 kuma ƙididdigar ilimin kimiyya ya ce zai wuce kusa da duniyarmu a kusa da shekara ta 4479. Dalilin damuwa game da wannan kusancin shine cewa diamita ya ninka na tauraron dan adam sau biyu wanda ake tunanin ya haifar da bacewar. na dinosaur.
Yadda ake ganin ean Perseids
Mun san cewa wannan shawan meteor yana farawa ne a tsakiyar watan Yuli kuma yana ƙarewa a tsakiyar watan Agusta na kowace shekara. Matsakaicin ayyuka ya yi daidai da bikin San Lorenzo kusan 10 ga watan Agusta. Haskakawa shine yankin da galibi ake ganin tauraron harbi. A wannan yanayin, ma'anar yanayin sararin samaniya inda tauraron harbi ya samo asali shine a cikin tauraron tauraron ɗan adam Perseus.
Don kiyaye wannan ruwan meteor, ba a buƙatar kayan aiki. Za'a iya yin mafi kyawun lura da ido mara kyau, kodayake kuna buƙatar zaɓar wurin da zai dace da wasu sharuɗɗa. Babban abu shine nisantar duk wani gurɓataccen haske, bishiyoyi da gine-gine waɗanda ke wahalar ganin saman dare.
Dole ne ku tabbatar cewa wata ya yi ƙasa da sararin sama, in ba haka ba da kyar muke iya fitar da taurari masu harbi. Mafi dacewa lokacin wannan shine bayan tsakar dare.
Ina fatan cewa tare da wannan bayanin zaku iya koyo game da Farisawa, halayensu da yadda zaku gansu.