The Earth ta axis - wannan shi ne wani muhimmin factor a duniya tamu ta sauyin yanayi

Planet Duniya ta axis a arewa vector fuskantar batu inda na biyu darajar ne a star, kira iyakacin duniya, a raya wani bangare na ƙungiyar taurari Ƙananan Dipper.

Wannan star fayyace lokacin da rana a kan wani sarari suKe Sphere a kananan da'irar game da 50 da minti na baka radius.

A zamanin da san na karkatar da Duniya ta axis

A dogon lokacin da suka wuce, a cikin II karni BC. e., da falakin Hipparchus gano cewa wannan batu ne m, a cikin taurari sama, da kuma sannu a hankali motsa wajen motsi na rana. Ya lasafta gudun da motsi a cikin 1 ° da karni. Wannan samu an kira "da precession na Duniya ta axis." Wannan shi ne matakin gaba, ko da equinox. A daidai darajar wannan motsi, da precession m, daidai da 50 seconds a kowace shekara. A wannan hasashe, cikakken sake zagayowar na ecliptic zai zama game da 26.000 shekara.

Daidaito da muhimmanci ga kimiyya

Bari mu koma ga tambaya game da iyakacin duniya. Kayyade ta ainihin matsayin cikin taurari - shi ne daya daga cikin mafi muhimmanci astrometry ayyuka, wanda ke hulda da ma'aunai na arcs da kusassari a cikin wani sarari suKe Sphere domin sanin asalin na taurari da kuma taurari, dace motsi da nisa zuwa taurari, kazalika da bayani na matsaloli na m ilmin taurari, da muhimmanci ga labarin kasa, geodesy kuma kewayawa.

Nemo matsayi na cikin wani sarari suKe iyakacin duniya, za ka iya amfani da hotuna. Tunanin wani dogon-mayar da hankali daukar hoto kyamara aiwatar kamar yadda astrograph da nufin m kan yankin na sama kusa da sandunan. A kan irin wannan hotuna, kowane star bayyana a fiye ko žasa da dogon madauwari baka da wani guda na kowa cibiyar, da kuma wanda yake a iyakacin duniya na duniya - batun da a abin da ƙasã ke axis na juyawa ne directed.

'Yan na kwana na son axis nazarin sasannin

A jirgin sama na cikin wani sarari suKe ekweita, kasancewa perpendicular zuwa Duniya ta axis kuma canza matsayinsu, da kuma wannan ne ya sa ta da motsi na da maki na rarrabawa da ekweita da ecliptic. Bi da bi, da janye daga Moon Equatorial hijirar na talakawa na Duniya o ƙarin tabbatar da kunna ƙasa dõmin ta Equatorial jirgin intersects da watã. Amma a cikin wannan hali, wadannan sojoji kada ku yi a kan ruwa harsashi na Duniya, da kuma talakawa, forming da Equatorial kumbura ta ellipsoidal siffar.

Wakiltar ball rubũtacce a cikin ƙasa ta ellipsoid to wanda shi da dangantaka a zura sandunan ɗaukarsa. Wannan ball ne kõma Moon da kuma Sun sojojin directed zuwa cibiyar. Saboda wannan dalili, da Duniya ta axis zauna canzawa. Wannan janye aiki a kan Equatorial kumbura o ƙarin juya da Earth a cikin irin wannan hanya da cewa jirgin saman na Duniya ta ekweita da kuma ta m abu daidaita, samar da wannan tipping batu. A rana a ko'ina cikin shekara sau biyu motsa daga ekweita to ± 23,5 °, da kuma kau da ekweita na da watã a watan ne kusan ± 28,5 °.

Yara wasan yara saman buɗe a kananan m

Idan Duniya ba juya, zai ayan tanƙwara, kamar yadda idan nodding, don haka da cewa ekweita duk lokacin kallon da rãnã da watã. Duk da haka, saboda da babbar salla, kuma inertia na Duniya, irin hawa da sauka zai zama kadan, tun a irin wannan sauri canji na shugabanci na Duniya ba su da lokacin da za a amsa. Mu kasance saba da wannan sabon abu a kan misali na yaro ta kadi saman. Nauyi o ƙarin kife da gyroscope, amma centripetal karfi hana shi daga fadowa. A sakamakon haka, da axis motsa, ta kwatanta wata conical siffar. Kuma da sauri da motsi, da more kunkuntar siffar. Hakazalika, shi behaves da Duniya ta axis. Wannan shi ne wani irin lamuni na ta da kwanciyar hankali a sarari.

A kwana na son of Duniya ta axis rinjayar da sauyin yanayi

The duniya ne a tashin kusa da Sun cikin wani sarari suKe cewa shi ne ma kama da wani da'irar. Kiyaye gudun taurari dake kusa da ecliptic, shi ne cewa a wani lokacin da muka samu kusa da taurari da kuma daya motsi daga adawa da su a cikin sama a gudun kilomita 29.5 a kowace awa. The canji na yanayi ne sakamakon. Akwai terrestrial axis karkata zuwa sarari suKe jirgin sama da kuma shi ne kamar 66,5 digiri.

Saboda kananan elliptical madawwama biyu na duniya a watan Janairu, dan kadan kusa da Sun fiye da a watan Yuli, amma bambanci ba yawa nesa. Saboda haka, tasiri a liyafar na zafi daga mu star unobtrusive.
Masana kimiyya yi imani da cewa Duniya ta axis - wani maras tabbas saitin na duniya tamu. Nazarin ya nuna cewa Duniya ta axis karkatar kwana dangi zuwa ga jirgin sama na kewayar falakinsa a baya ya daban-daban da kuma canza akai-akai. A cewar labari ya sauko mana game da halaka da Phaeton a Plato ta bayanin irin data kasance tunani da kawar da axis a cikin wannan mummunan lokaci a 28 °. Wannan bala'i ya faru ya zama fiye da dubu goma da suka wuce.

Pofantaziruem bit da kuma canja kwana na son ta duniya

Samuwa a yau, da kwana na Duniya ta axis dangi zuwa ga jirgin sama na kewayewa ne 66,5 ° kuma samar da kasa m zazzabi hawa da sauka hunturu - bazara. Alal misali, idan wannan kusurwa zama game da 45 °, wanda zai faru a wata latitud na Moscow (55,5 °)? A May rãnã a karkashin wadannan yanayi isa Zenith (90 °) da kuma an gudun hijira zuwa 100 ° (55,5 ° + 45 ° = 100.5 °).

Tare da irin wannan nauyi zirga-zirga rãnã spring zai wuce da sauri sauri da kuma isa zazzabi ganiya a watan Mayu, a ekweita, tare da wani matsakaicin solstice. Sa'an nan kuma, idan dan kadan raunana, kamar hasken rana ya wuce ta Zenith, shi zai tsere kadan kara. Sa'an nan ya komo da baya, wucewa da Zenith sake. A cikin watanni biyu, Yuli da kuma May, za a iya lura numfashi ba zafi, game da 45-50 digiri Celsius.

Yanzu la'akari da abin da zai yi ya faru da hunturu, misali, a Moscow? Bayan wucewa na biyu Zenith mu luminary a tsoma a cikin watan Disamba zuwa 10 digiri (55,5 ° -45 ° = 10,5 °) sama da sararin sama. Wannan ne, tare da m na Disamba, rana zai tafi ga wani guntu lokaci fiye da yanzu, tanã fita low sama da sararin sama. A wannan lokacin, da rãnã zai haskaka for 1-2 hours a rana. A karkashin irin wannan yanayi, da dare da yawan zafin jiki fada a kasa -50 digiri Celsius.

Kowane version na ci gaba da hakkin rayuwa

Kamar yadda zamu iya gani, saboda da sauyin yanayi na duniya yana da muhimmanci, kwana a wadda Duniya ta axis. Wannan shi ne wani sabon abu da muhimman hakkokin a cikin tawali'u da sauyin yanayi da kuma rai yanayi. Ko da yake watakila a karkashin yanayi daban-daban a duniya, juyin halitta, dã sun riƙe wani ɗan daban-daban hanya, samar da sabon nau'in dabbobi. Amma rayuwa ci gaba da zama a cikin sauran ta bambancin, da kuma iya sami wani wuri "daban-daban" mutum a shi.