measure aur alcor

mizaar aur alkar dou taare hain joe ursa mejar key nakshatr mein badey dipper (yaa hull) tarankan key handle mein ack nagna aankh double banaate hain. measure mein 2.2 aur 3.9 parimaan vaale dou taare hotey hain jinhen doorbeen kii sahaayata key binaa aasaani seey dekhaa jaa sakata haye. measure kaa taaraa ack dohra taaraa naheen haye, balki ack chaar sitara dwiaadhaari pranali haye joe nakshatr ursa mejar (jise bigg dipper key roop mein bhee jaanaa jaataa haye) mein sthit haye. iss pranali mein dou jode dohare taare hotey hain joe ack dusare seey gurutvaakarshan seey bandhe hotey hain. measure badey dipper key handle key anta seey doosara taaraa haye, aur isake kamjor saathi haye. paaramparik naam mizaar arabi shabd almeasure meezar seey nikla haye jiska arth haye 'apron; rapper, covering, cover'. 
alkar mool roop seey arabi bhasha mein suha/soha thaa, jiska arth haye yaa tou 'bhulaa diyaa gayaa' yaa 'upekshit'; joe measure key ack ksheen bodhgamya saathi key roop mein ullekhaniya haye.
mizar, jise zeita urse majoris bhee naamit kiya gayaa haye (ζ ursee majoris, sankshipt zeita yuma, ζ yuma), apane aap mein ack chaturbhuj pranali haye aur alcor, jise 80 urse majoris (80 yuma) bhee naamit kiya gayaa haye, ack dwiaadhaari haye, joe ack saath ack sextuple pranali banaata haye. vaastav mein, yeh pahali gyaat dwiaadhaari taaraa pranali thee, jisaki khoj 1650 mein italvi khagolshastri jiyovanni batista rickioli ney kii thee. poori pranali soorya seey lagbhag 83 prakaash varsh door haye, jaisa kii hipparcos astrometry upgrah dwara maapa gayaa haye.
taarakiya pranali.
samanya drishti key saath measure seey lagbhag 12 minut key chaap parr alkar dikhaai detaa haye. alcor kaa parimaan 3.99 aur varnakramiya varg aeye5vee haye. isamen ack mund laal bauna saathi haye joe chaap key 1 sekand seey alag haye.
mizaar aur alcor kii uchit gatiyaan darshaati hain kii way alfa urse majoris aur etaa urse majoris koo chhodkar badey dipper key adhikansh anya sitaaron key saath ack saath chalate hain, ursa pramukh gatishil samooh key sadasyon key roop mein, sitaaron kaa ack aam janm saajha karane vaalaa ack jyaadaatar faila huaa samooh. haalaanki, yeh abhee taka nirnaayak roop seey pradarshit naheen kiya gayaa haye kii way gurutvaakarshan seey bandhe hain. gaiya paralax maap ingit karate hain kii elkar dwiaadhaari aur mizaar chaturbhuj pahale kii tulanaa mein kuchh hudd taka ack saath hain. anishchitata hamse sateek doori key baare mein hamari anishchitata key kaaran haye. aggar way hamse bilkul samaan doori parr hain tou unake beach kii doori kewal vahee haye.
measure aur alcor key beach, 8vaan parimaan taaraa sidus ludovikiana ack door kii prishthabhoomi vastu haye.
anya naam.
meezar koo bhaaratiya khagol vigyaan mein vashishth key roop mein jaanaa jaataa haye, joe saptrishi mein seey ack haye, aur alkar koo vashishth kii patni arundhati key roop mein jaanaa jaataa haye. ack vivaahit jode key roop mein, unhein vivaah kaa prateek maanaa jaataa haye aur kuchh hindu samudaayon mein aaj taka pujari ack vivaah samaroh kaa sanchaalan karate hue tarankan koo ack jode key liye nikatata laane key prateek key roop mein ingit karate hain.
all-sahja samanya suha kaa layabaddh roop thaa. yeh professor robbert aich dwara janwari 1895 mein "lokpriya khagol vigyaan" mein prakaashit arabi taaron key naamon kii ack dilchasp soochi mein "mund" key roop mein dikhaai detaa haye. paschim mein, berut mein siriyai protestant college.
haalaanki yeh bayaan diyaa gayaa haye kii pracheen yoonaniyon koo alcor key baare mein pataa naheen thaa, lekin ack purani kahani haye kii yeh khoya huaa plead electra thaa, joe apane sathiyon seey yahaan bhatak gayaa thaa aur allopex, lomdi bunn gayaa thaa. ack lattin sheershak eques stelula thaa, chhota taaraa ghudsavaar; eques, ghudsavaar, 17 veen shatabdi key german khagolshastri bayer seey haye. measure aur alkar koo kabhi-kabhi "ghodaa aur savaar" kahaa jaataa haye (aur lokpriya roop seey, ingland mein, beach key ghode parr jack), jisamen measure ghodaa hotaa haye. farsi khagolshastri all biruni (973-1048 ad) ney siriyai maheene adaar key 18vein dinn, march equinox parr arabon key parivarik jeevan mein isake mahatva kaa ullekh kiya; aur usee logon kii ack aadhunik kahani ise validan (maan?) teen baanaton mein seey (shoke manaane vaaleh aliyoth, mizaar aur alkaid).
cheeni taovad ζ ürsee majoris koo luu starr key roop mein vyakt kartaa haye.
cheeni mein, (), jiska arth haye "uttari dipper", ack tarankan koo sandarbhit kartaa haye jisamen jeeta urse majoris, alfa urse majoris, beeta urse majoris, gaama urse majoris, delta urse majoris, apsilon urse majoris aur etaa urse majoris shamil hain. natijatan, zeita urse majoris koo swayam buu leeu, () aur kaaee yang, () key roop mein jaanaa jaataa haye.
measure chikadi haye aur mahaan bhalu aur saat shikariyon key mee 'makmak mithak mein alkar uska khaana pakaane kaa bartan haye.
drishti kaa pareekshan.
nangi aankho seey measure aur alkar koo hull karane kii kshamata koo aksar drishti kii pariksha key roop mein uddhrit kiya jaataa haye, halanki kaafee kharaab drishti vaale loga bhee dou sitaaron koo dekh sakate hain. arabi saahitya mein kahaa gayaa haye kii kewal tej drishti vaale hii measure key saathi koo dekh sakate hain. 14veen shatabdi key arabi shabdakoshkar firuzabadi ney ise "hamari paheli" kahaa, jabaki 13veen shatabdi key farsi khagoliya lekhak zakaria all-qazwini ney kahaa kii "logon ney iss taare seey apani drishti kaa pareekshan kiya."japan mein, alcor koo kabhi-kabhi 'jivankal taaraa' key roop mein sandarbhit kiya jaataa haye, aur yeh afwah thee kii nagna aankho seey alcor koo dekhane mein asamarth honah vriddhavastha seey aasann mrityu kaa sanket thaa.
humbolt ney ise kathinaaee key saath dekhaa jaa rhaa haye, aur arago ney isi tarah iska sanket diyaa. khagolshastri surr patrick moor ney sujhaav diyaa kii yeh vaastav mein ack anya taare koo sandarbhit kartaa haye joe measure aur alcor key beach drishtigat roop seey sthit haye. iss taare koo kabhi-kabhi "ludwig key taare" key roop mein jaanaa jaataa haye, ise 2 disambar 1722 koo german khagolshastri johann jorg libechneck (23 aprail 1679-17 sitambar 1749) dwara dekhaa gayaa thaa aur unake sanrakshak hessen-darmstad key landgrave ludwig key sammaan mein iska naam rakhaa gayaa thaa. libechnect ney socha kii yeh ack grah thaa, lekin ise lagbhag ack shatabdi pahale 1616 mein benedetto castelli (1577-1643) dwara thheek usee sthiti mein dekhaa gayaa thaa, jisane sanket diyaa thaa kii yeh ack prishthabhoomi taaraa thaa.
registan mein arabon ney ise bhedan drishti kii pariksha key roop mein maanaa; aur way aakaashiya padanukram mein kramshah uchchatam aur sabse nichale padon parr kabja karane key roop mein "sohail" seey "soha" (canopus seey alcor) kaa virodh karane key aadee they. taaki "vidit alcor, none lunum plenam mein" (lattin key liye "unhone alcor dekhaa, lekin purnima naheen"), ack kahawat kaa varnan hoe gayaa joe trigunon key liye utsukta seey jeevit haye, lekin vyaapak tathyon key liye ashanka kii neeras haye.
6-starr system.
17veen shatabdi mein galileo key sahyogiyon mein seey ack, benedetto castelli ney ack doorbeen key madhyam seey mizaar kaa avalokan kiya aur mahsoos kiya kii yeh ack dwiaadhaari pranali theeh mizaar aeye aur mizaar bee. phir, 19veen shatabdi aur 20veen shatabdi kii shuruat mein, spectroscopy kii madad seey, vaigyaanikon ney dikhaaya kii mizaar aeye aur bee donon dwiaadhaari pranaaliyan theen. 1908 mein, alcor-mizaar pranali pahali spasht 5-sitara pranali thee jisaki kabhi khoj kii gaee thee.
2009 mein, rochester vishvavidyalaya key erich mamajek aur unake sahyogiyon ney exoplanet kii khoj karate hue paaya kii elkar bhee ack dwiaadhaari pranali thee, jisase elkar aur mizaar ack 6-sitara pranali bunn gaee. yahee nishkarsh americi praakritik itihas sangrahalaya seey bayne oppenheimer dwara swatantra roop seey paaya gayaa thaa.

