da meteoroids su ne ƙananan jikin da ke cikin tsarin hasken rana kuma waɗanda ke da kusan, tsakanin 0,1mm zuwa 50m a diamita, matsakaicin. Matsakaicin girman girman girman shine 50m. Wannan shi ne girman da ake amfani da shi don iya bambanta shi da tauraro mai wutsiya da taurari. A daya hannun, ƙananan girman iyaka shine 100 µm. Ta wannan hanyar ya bambanta da ƙurar cosmic.
Koyaya, iyakokin girman ba yawanci ana amfani da su sosai sosai. Tunda akwai shubuha nadi na abubuwa waɗanda ke kusa da waɗannan iyakoki. A aikace, ma'anar da aka fi amfani da ita ita ce wacce ta bayyana cewa meteoroid jiki ne na sama tsakanin 0,1mm da 50m. Abubuwan da aka ambata, a zahiri sun samo asali ne daga ma'anar Royal Astronomical Society.
Hakanan an haɗa wannan ma'anar tare da na kusa-Earth meteoroid, wanda aka fitar da shi zuwa meteoroids kuma ba kusa da Duniya ba. Ma'anar za ta kasance na abubuwa masu kewayawa a kusa da duniya tare da a diamita kasa da 50 m. Bugu da kari akwai sabbin ma'anoni na kungiyar taurari ta duniya (IAU) na taron ranar 22 ga Agusta, 2006, wadanda suka bambanta duniya, dwarf planet, tauraron dan adam da kuma kananan jikin tsarin hasken rana.
A halin yanzu ma'anar da aka yi amfani da ita IAU tare da kalmar meteoroid shine na wani abu mai ƙarfi wanda ke motsawa a cikin sararin samaniya, girman girmansa ya fi na asteroid girma kuma ya fi girma fiye da atom ko kwayoyin halitta. Koyaya, har yanzu ana ɗaukar wannan ra'ayi na zamani, mara inganci kuma kuskure ne sosai.
Bambanci tsakanin meteor, meteor da meteoroid
Baya ga abin da aka ambata a cikin sakin layi na baya, mun fahimci cewa akwai kalmomin da aka fi amfani da su, kamar lokacin da meteor shawa. Wani lamari ne na ilimin taurari wanda yake da ban mamaki sosai, duk da haka ya fi kowa fiye da yadda muke tunani akai-akai, kodayake kusan babu wanda ya san ainihin abin da yake.
Don sanin abin da ruwan zafi na meteor yake, da farko wajibi ne a yi la'akari da menene bambanci tsakanin meteorite, meteor da meteoroid. Ta wannan hanyar, ta hanyar yin cikakken bayani game da bambanci tsakanin wadannan taurari, zai zama da sauƙin fahimta.
Meteoroids, meteorites da meteorites
Idan muka yi ishara zuwa ga jigo ko ainihin abin da ake magana a kai, za mu iya cewa wadannan abubuwa guda uku sun zama iri daya ne ko kuma daga daya ne. Da wannan muna nufin cewa a cikin dukkan abubuwa ukun su guntu-gunduman dutse ne da aka ware a bayan wani Kite. Koyaya, kowane ɗayan yana da bambanci kuma galibi irin wannan sabanin yana cikin wurinsa.
Duk wani abu da yake a sararin samaniya ana kiransa meteoroid, wato sararin samaniya da ake magana a kai a wannan labarin. Bayan haka, lokacin da meteoroid ya shiga cikin yanayin duniyar duniyar, ana kiran shi meteor. A ƙarshe, idan ya sami damar isa ƙasa, a lokacin zai kasance mai suna meteorite.
Yana da matukar ban sha'awa don bambanta shi ta wannan hanya, tun da yawancin jikin suna bambanta bisa ga siffar su ko wasu halaye masu mahimmanci waɗanda ba a la'akari da su a wannan yanayin. Duk da haka, a nan ne lokacin da kurakurai da aka saba yi game da terminologies amfani. Muna magana game da kalmar "meteor shawa" kuma, tun da babu yadda za a yi haka.
Dalilin rashin wanzuwar irin wannan shi ne cewa meteorites su ne wadanda suka isa kasa. Duk da haka, abin da har yanzu ana iya ganowa a sararin sama shine meteors. Ko da yake babu wanda ya sanya takunkumi a lokacin da ake kira da ruwan sama mai zafi. Abin da ya fi dacewa shi ne a ci gaba da kiransa a haka, ta haka kowa zai san abin da kuke nufi. Ko kuma kuna iya kiransa meteor shawa kuma ku yi amfani da bayanin abin da kuka koya a wannan labarin.
gutsutsutsun tauraro mai wutsiya
Meteoroids yawanci game da gutsutsutsun tauraro mai wutsiya da asteroids. Duk da haka, za su iya zama duwatsu daga tauraron dan adam ko taurari waɗanda aka fitar da su a cikin babban tasiri. A daya bangaren kuma, za su iya zama bargo ne kawai daga samuwar tsarin hasken rana. Bayan shigar da yanayin wasu duniyar, meteoroid yana zafi kuma wani bangare ko ma gaba daya ya tashi.
Bayan meteoroid ya haye shamaki na yanayi, iskar gas ɗin da ta rage a hanyar da meteoroid ke bi, yana ionized kuma saboda haka yana haskakawa. Wannan yana samar da hanyar tururi mai haske wanda a fasahance ake kira meteor. Koyaya, sunanta gama gari shine tauraro mai harbi. A gefe guda kuma, ƙwallon wuta sune waɗannan meteors waɗanda girman girmansu bai kai -4 ba. Wannan yana nuna cewa rage ƙimar girman bayyane, mafi girman haskensa.
Wannan girman a fili girman girman da ya mallaka duniya venus. Kasancewar wannan duniyar ita ce, a cikin dukkan taurari da taurari, ita ce mafi haske daga duniya. Dangane da waɗancan ƙwallan wuta waɗanda ba su kai girman wata ba (-12,6), ana iya cewa superbolides na iya tsira da gutsuttsura da suka isa ƙasa. Irin wannan gutsuttsura su ne abin da ake kira meteorites kuma yawancin meteorites na duniya, sai dai manyan karfe, sun fito ne daga meteoroids.
Cikakken bayani game da meteoroids
Tsarin hasken rana ba kawai yana da taurari da tauraron dan adam, amma kuma tana da yawan jama'a marasa adadi na ƙananan girma. Wasu daga cikin taurarin ma ba su kai mita 50 a diamita ba don gyara ra'ayoyi, musamman waɗannan ana kiran su meteoroids. Yanzu, idan girman ya fi girma, ana kiransa asteroid kuma duk wani abu da ya karami ana daukar shi kura ce ta tsaka-tsaki.
Wadannan jikin ba a ganuwa daga doron kasa, saboda karancin girmansu. Ba a bayyana samuwarsu ba har sai dayansu ya shiga cikin yanayi na kasa, yana zafi saboda rashin jituwar da ke tattare da shi, a tsawon kilomita dari, ya kare yana cinyewa. Wannan al'amari ne da ke haifar da wata hanya mai haske da ake kira meteor ko tauraro mai harbi, daya daga cikin abubuwan jan hankali a sararin samaniyar dare.
Akwai kuma lokacin da meteoroid ba ya cinye gaba ɗaya ta hanyar wucewa ta sararin samaniya. Lokacin da wannan ya faru, ragowar da ake kira meteorite shine abin da zai iya isa saman. farfajiyar ƙasa. Idan wannan ragowar yana da girma mai yawa, wanda aka yi sa'a ba kasafai ba, tasirin a saman zai iya zama tashin hankali sosai kuma a lokacin ne zai iya haifar da wani rami.
A cikin sararin samaniya kamar duniyar Mercury ko tauraron dan adam, Moon, raƙuman ruwa na meteorite sun fi ganewa fiye da duniyarmu ta Duniya. Ba kasafai ake ganin wani rami ba kuma hakan yana faruwa ne saboda zaizayewa da farantin karfe. Mafi sanannun misali mai yiwuwa ne Barringer Meteor Crater a Arizona, fiye da kilomita daya a diamita, wanda aka yi shi kusan shekaru 49.000 da suka wuce ta hanyar meteoroid mita hamsin a diamita.
Yaya aka hada su?
Meteoroids yawanci wanda aka yi da duwatsu. Ko da yake wasu an yi su da ƙarfe ko ma, da wuya, gauraye biyun. A lokacin rayuwarsu, yawanci suna fuskantar karo da haɗuwa waɗanda ke canza tsarinsu da tsarin sinadaransu. Daga cikin ƙananan meteorites waɗanda aka samo a saman duniya, da ake kira carbonaceous chondrites, duk da haka, babu wata alama ta kowane canji da ya faru.
Mafi sanannun meteoroid game da wannan al'amari shine Allende meteoroid. Wannan meteoroid ya fashe a kan Mexico a cikin 1969 kuma ya watsar da kimanin tan 5 na duwatsu a kan wasu murabba'in kilomita dari. Irin wannan meteorite yana wakiltar tushen bayanan da ke da matukar muhimmanci don sanin tsarin tsarin hasken rana a cikin samuwarsa.
Bisa kididdigar da aka yi, a kowace shekara kimanin tan 40 da 80 na ƙwararrun ƙwayoyin cuta suna isa duniya. Wadannan barbashi su ne ake kira meteoroids. Waɗannan an fi karkasa su daga guntuwar taurarin taurari da tauraro mai wutsiya waɗanda kewaya rana da kuma cewa, a lokacin da intersecting tare da Duniya ta orbit. Bayan tasiri tare da yanayin mu, suna kaiwa gudun tsakanin 20 zuwa 72 km/s.
A cikin wannan yanayin yanayin ana bi da su a cikin abin da rikice-rikicen da ke faruwa tare da iska shine abin da ke ɗagawa da sauri meteoroid zafin jiki. Ta haka ne duka biyun kwayoyin da ke cikin tsattsauran ra'ayi da na iskan da ke yin karo da shi, suna fitar da kuzari idan aka ga wata hanya mai haske wacce ake kira meteor.
Meteoroids da meteorites
An lura da lokuta inda meteoroid ya isa girma kuma ya samu tsira a farkensa ta yanayi. Duk da haka, yana buga Duniya a cikin nau'i na meteorite. A cikin kashi 20 cikin 10 na abin da ke kewaye da waɗannan meteoroids sune talakawan da ke girgiza tsakanin 5-10 da 6-80 grams. A gefe guda, ragowar 10% yana tsakanin 6-1015 da XNUMX grams.
Koyaya, har ma ga mafi ƙanƙanta ƙwayoyin cuta, saurin shigar da sauri ne ke haifar da su tasiri tare da yanayi zama mai yawan tashin hankali. Ta wannan hanyar, rikici tare da iska yana haifar da yanayin zafi na digiri dubu da yawa a ma'aunin celcius. Wannan shi ne abin da ke haifar da tsarin tsarin jiki da sinadarai gabaɗaya a cikin saman sararin samaniya, gabaɗaya tsakanin tsayin kilomita 80 zuwa 100.
Binciken da yawa da bincike na waɗannan matakai yana da matukar dacewa duka a matakin fasaha kuma daga mahangar kimiyya. Shi ne abin da ya ƙunshi yanki mai aiki sosai a cikin ilimin sararin samaniya. Misalin wannan su ne ɓangarorin da ke taka muhimmiyar rawa a cikin amincin ayyukan sararin samaniya da kuma aiki da tauraron dan adam.
A gefe guda kuma, baya ga wannan suna ba da bayanai masu mahimmanci game da hanyoyin sinadarai waɗanda ga alama sun haifar da bayyanar da ƙwayar cuta. rayuwa a duniyarmu. Wannan shi ne saboda ana tunanin cewa meteoroids ne suka samar da wani bangare na kwayoyin da ake bukata don tasowa. Duk da haka, nazarin meteoroids kuma shine abin da ke ba mu damar tabbatar da abin da yanayi na physicochemical ya kasance a cikin gajimare na kayan da aka samo asali na Solar System daga gare ta.
Tsarin fahimta
Binciken meteoroids shine abin da ke sauƙaƙe fahimtar hanyoyin da suka faru a farkon matakan juyin halittar sa. A daya bangaren kuma, wani dalili na asali na binciken meteoroids shi ne cewa wadannan barbashi su ne daidai wadanda ke ba da bayanai kai tsaye kan tsari da yanayin jikin da suka fito.
A mafi yawan lokuta, ana iya yin nazarin meteoroid ta tsarin tushen ƙasa. Wannan yana guje wa buƙatar yin amfani da kayan aiki masu tsada da yawa akan binciken sararin samaniya. Ana iya cewa ainihin ra'ayin ne ya haifar da ci gaban SMART aikin (Spectroscopy na Meteoroids a cikin yanayi ta hanyar fasahar Robotic).
Meteoroid da za a iya gani daga Venezuela
A shekarar da ta gabata 2016, a garuruwa da dama na Venezuela, wani al'amari na ilmin taurari da ake kira Sporadic Meteoroid. Musamman ma, lamarin ya faru ne a daren Juma’a 16 ga watan Disamba, a lokacin da wata gawa mai wuta ta tsallaka sararin samaniyar kasar Venezuela, daga bangaren Colombia. Hakan ya bai wa daruruwan mutane mamaki a wurare daban-daban.
A cikin jihar Miranda, an ba da rahoton cewa an ga wani haske mai ƙarfi sosai da alama yana tashi daga Charallve. Kamar yadda aka bayyana a zagaye farin haske a sararin sama, musamman ana gani tsakanin 06:30 zuwa 07:00 na dare kamar. Galibi dai, shaidun sun bayar da rahoton cewa, ana tunanin jirgin na gama-gari ne, tun da akwai filin jirgin sama kusa da yankin.
Sai dai kuma hasashen da ake yi na cewa jiragen sama ne ko kuma jirage masu saukar ungulu ba a yi watsi da su ba, tun da abin da aka gano shi ne, fagen ya bar baya da wani nau’i. harshen wuta wanda ya bayyana kuma ya ɓace a wasu lokuta. Abin da aka saba yi shi ne na shaidun lamarin, wato bin hanyar hasken, wanda ya dauki tsawon dakiku kadan sannan ya bace a sararin sama, ba tare da wata alama ba.
A gefe guda kuma, ba da jimawa ba, tsakanin 07:40 zuwa 08:00 na yamma, wani mai shaida ya ce ya ga wata alama ce. haske mai ƙarfi sosai wanda ya ketare sararin Sabana de Mendoza, a cikin jihar Trujillo. Kamar yadda aka bayyana, jikin mai haske yana da siffa mai tsayi kuma da alama yana canza launi tsakanin shuɗi da kore. Ya kuma kara da cewa bayan kamar dakika 5, ta tsallaka daga dama zuwa hagu, da sauri ta bace zuwa sararin samaniya, kamin mutanen da ke wurin suka yi mamaki.
cikakken gani
Daga matsayi na uku a Venezuela inda za a iya ganin wannan al'amari mai ban sha'awa, musamman a Loma del Viento na birnin San Cristóbal a cikin Tachirá, an yi kusan dakika 40, sabon abu. Suna nuna daidai cewa hasken fari ne mai tsananin gaske, mai shuɗi mai walƙiya, da kaifi. Sun kuma nuna cewa yana da launin ja da rawaya.
Kamar yadda aka gani a jihar Tachira, da fili mai haske, ya bi hanya madaidaiciya akan saman iska. Duk da haka, akwai wani lokaci, kafin a rasa ganinsa, a cikin abin da ya zama kamar faduwa ba zato ba tsammani. Irin wannan labari ya fito ne daga Pedro Zambrano, wanda ya yi aiki na wasu shekaru a cikin aikin soja, wanda ke da ɗan sani game da vectors na iska, kuma ya nuna cewa saboda siffar da tsarin jirgin ya kasance a gare shi cewa wannan wani abu ne daban.
A cikin jihar Cojedes, an kuma bayar da rahoton wannan lamari mai ban mamaki a birnin San Carlos, inda ya ba da labarin wani lamari mai kama da abin da ya faru a wasu jihohin kasar. Ana iya lura da wannan taron musamman akan titin akwati 05, abin da ake iya gani shine a haske kore tare da wutsiya.
Bugu da kari, da yawa aka bayyana sabon abu: launin kore, da kuma cewa yana kan yanayin kwance, ba saukowa ba, kamar yadda ya saba faruwa.
hujjojin kimiyya
Bisa ga abin da Ƙungiyar Larense ta Astronomy ta nuna (ALDA), wannan al'amari ya kasance wani al'amari na falaki na gama gari. ALDA ta nuna cewa meteoroid ne, wannan ya fi duniyar Venus haske kuma ba ta da haske fiye da tauraron mu na duniya, Wata. Wannan al'amari ya shiga cikin sararin samaniya, yana tafiya a madaidaiciya kuma ya bar alamarsa a cikin siffar meteor.
Taron ya gudana ne da misalin karfe 07:30 na dare (HLV). Duk da haka, ba a ga meteoroid ba, amma alamar. Ana kiran wannan alamar meteor kuma idan wani abu ya fado a saman, za a kira shi meteorite. Na yarda da ku kwararruYa zuwa yanzu dai babu wani rahoto na meteorites da ya fado a kowane yanki na kasar.
Bugu da ƙari, launin jikin mai haske ya juya tsakanin inuwar shuɗi da kore. A daya bangaren kuma, wannan lamari ya biyo bayan a kudu maso yamma zuwa kudu maso gabas yanayin. Mafi kyawun abin lura shine a garin Villavicencio na Colombia. Koyaya, sun lura cewa ana iya ganin sa lokaci guda a biranen Venezuela daban-daban. Wannan saboda ƙaura yana faruwa a sama a cikin yanayi.
A daya bangaren kuma, a wasu hotuna da ke yawo a shafukan sada zumunta, an ga yadda jikin ke haskakawa. Masana kimiyya sun tabbatar da cewa wannan gaskiyar fahimta ce mai sauƙi, tun da yake samfurin latitude ne wanda mutane suke ciki da kuma hangen nesa da sararin samaniya ya ba da shi. Saboda haka, da bugun jini shugabanci na wannan meteoroid bai dace da na radiants ba kuma an lasafta shi azaman sporadic.
Labaran Meteoroid
Motar wata ta NASA, meteoroid ta yi 'bama-bamai'
Wani abu na sama ya buga Orbital na'ura NASA Moonshot (LRO). Duk da haka, babu buƙatar jin tsoro yayin da ma'aikacin Lunar Rover ya fito daga harin ba tare da wata matsala ba. Faɗuwar 'bam ɗin' kawai shine wasu hotuna da ba a bayyana ba tare da tasirin girgiza kamara, in ji Phys.org. Ga NASA akwai asteroids guda biyar da ke damun Duniya.
El Farashin LRO sai ya zama tsarin kamara uku wanda aka ɗora akan jirgin ruwa. Biyu daga cikin kyamarori kunkuntar kusurwa ne kuma suna ɗaukar manyan hotuna baƙi da fari. Kyamarar ta uku tana da faɗin kusurwa kuma tana ɗaukar hotuna na matsakaicin ƙuduri, tana kuma amfani da filtata waɗanda ke ba da bayanai game da kaddarorin da launukan saman duniyar wata.
Bisa ga bayanan da aka tattara a ranar 13 ga Oktoba, 2014, wani lamari ya faru wanda yanzu haka an bayyana shi bayan dogon bincike da bincike da masana da suka yi. masana a NASA. Hotunan da aka tattara sune abin da ya taimaka musu wajen yanke shawarar cewa kyamarar ta kasance ta hanyar meteoroid, wanda shine ƙaramin abu da aka kwatanta a cikin wannan labarin. Ko da kasancewar ɗan girma fiye da ƙurar sararin samaniya.
Malamai na Makarantar Sararin Samaniya da Binciken Duniya, nuna cewa meteoroid yana tafiya da sauri fiye da harsashi. Duk da haka, LRO ba ta kawar da harsashi ba, amma ta tsira.
Nazarin duniyar Mars
Tawagar ta nuna, ta kiyasta yin nazarin duniyar Mars. Ana kuma kiran wannan na'urar da Batmobile kuma makomarsa ita ce tafiya zuwa duniyar Mars. Bisa ga abin da masana suka nuna, meteoroid ya kai kimanin 0,8 millimeters a girman. Duk da haka, yana tafiya a cikin gudun kilomita bakwai a cikin dakika daya. Wannan shine abin da zai iya haifar da tasiri mai karfi tare da LRO.
An haifi Batmobile ne daga wani aikin NASA wanda Cibiyar Kula da Jirgin Sama ta Goddard a Greenbelt (Maryland, Amurka) ke gudanarwa. Hakanan an tsara shi a cikin shirin Discovery. Kuma an ƙaddamar da shi a ranar 18 ga Yuni, 2008, don haka tun lokacin ta tattara bayanai kaɗan da kayan aikinta bakwai masu ƙarfi. Wannan yana ba da gudummawa mai mahimmanci ga abin da ke game da mu sanin wata.
Yajin aikin yajin aiki
Wani meteoroid ya bugi kyamarar wata a watan Oktoban 2014. Wannan al'amari ya baiwa masana kimiyya mamaki. hukumar sararin samaniyar Amurka, NASA. Musamman kyamarar da ke kan kumbon mutum-mutumi da ke kewaya duniyar wata, ita ce wadda wani karamin meteoroid ya same shi. Wannan shi ne abin da ya jefa ta kuma ya ba da mamaki ga masana.
Tsarin kwatsam da rashin bin ka'ida da masana kimiyya suka gano, ya ba da labarin abin da ya faru a matsayin daji da fargaba. A lokacin da yake kewayawa, da LRO yawanci yakan fitar da kyawawan hotuna masu kyan gani na saman wata, amma a wannan karon bai yi hakan ba, don haka ana kyautata zaton wani karamin meteoroid ne ya buge shi, wani dan kankanin abu na halitta a sararin samaniya.
Suna hango meteoroid a sararin samaniyar Asturian
A watan Janairu na wannan shekara, an hango wani meteoroid a sararin samaniyar da daddare a gabashin Asturia, kafin ya wargaje sakamakon cudanya da yanayin duniya. Mun san cewa yawancin meteoroids guda ne na tauraro mai wutsiya da taurari, duk da cewa suna iya zama duwatsu daga tauraron dan adam ko taurari wadanda aka fitar da su a cikin manya-manyan tasiri ko tarkace daga samuwar tsarin hasken rana.
Bisa ga abin da aka nuna, meteoroid nau'in nau'i ne da ake kira "bolide" tare da abin gani wanda aka rubuta a 21.48: XNUMX na yamma. Wanne ya haye sama ya nufi yamma. Kamar yadda shaidun gani da ido suka nuna, kwallon wuta ta wargaje bayan wasu mintuna.
Duk da haka, ba wannan ne kaɗai abin da ya faru da aka gano hatsarin meteoroid ba. Waɗannan ƙananan ƙwayoyin ba su da haɗari saboda girmansu, amma saboda saurin da suke tafiya cikin sararin samaniya. A saboda wannan dalili ne a lokacin da ake yin tasiri tare da wani jiki na sararin samaniya, yana samar da a Tasiri mai ƙarfi. Irin wannan shi ne abin da ya faru a cikin labaran da suka gabata: karo na meteoroid tare da kyamarar sararin samaniya
Daga yanzu za mu iya ƙayyade sharuddan da suka dace don amfani da su, lokacin hangen nesa daga ƙasa sararin samaniya wanda aka tattauna a wannan labarin. Yana da ban mamaki cewa irin wannan barbashi da ke fitowa daga tauraro mai wutsiya ko asteroid na iya zama jiki uku masu iri ɗaya amma a matakai daban-daban. A zahiri, ana iya kwatanta shi da ɗan adam: jariri, yaro, matashi, babba da tsoffi. Mutum daya ne, amma a matakai daban-daban.
A wannan yanayin, barbashi ko guntun da tauraron dan adam ko asteroid ya fitar shima yana daukar sunaye daban-daban a matakai: meteoroid, meteorite da meteorite. Ya danganta da wane mataki kuke ciki. meteoroid shine wanda muke magana dashi a cikin wannan labarin, yayin da meteor shine lokacin da ya wuce yanayin duniya, su ne meteors. A nawa bangare, lokacin da ya dace don abin da ya faru a Venezuela shine meteor.
sosai ko da yake ta aikin jarida da kimiyya, An kula da wannan jikin sama a Venezuela a matsayin meteoroid. Daya daga cikin sifofin da meteor ke nunawa, ban da haka, ita ce wutsiya ko sawu da ya bar baya yayin da yake tafiya. A ƙarshe, mataki na ƙarshe na wannan ƙwayar shine lokacin da ya zama meteorite. Wannan shine mataki mafi haɗari, tun da irin wannan ƙananan ƙwayar zai iya zama hargitsi na gaske.
Meteorites na iya yin haɗari ga kowane irin rayuwar da suke tasiri da ita. Tunda wannan mataki na dutsen ya fara aiki ne kawai kuma ana kiransa da shi, da zarar ya shiga duniya. Abin farin ciki, waɗannan lokuta ba sa faruwa akai-akai. Don haka a halin yanzu, bari mu yi fatan cewa dutsen da ke tafiya a sararin samaniya ya ci gaba da ɗaukar sunan meteoroid, tun da meteor ma alamar gargadi ne na yiwuwar kuma tasiri na gaba.