taithis (upagrah)

kaisini dvaara li gayi taithis ki tasveer jismein ithaaka naam ki mahaan aur lambi ghaati nazar aa rahi hai
kaiseeni yaan dvaara 24 December 2005 ko li gayi is tasveer mein 450 kimi vyaas ka odesiys naamak prahaar kretar nazar aa raha hai
1981 mein vauyejar dviteeya yaan dvaara li gayi taithis ki tasveer

taithis hamaare saur mandal ke chhathe grah shani ka paaainchava sab se bada upagrah hai. poore saur mandal mein yeh 16va sab se bada upagrah hai aur apne se chhote saare upagrahon ke mile hue dravyamaan se bada hai. yeh lagbhag saara-ka-saara hi paani ki barf ka bana hai aur ismein mushkil se 6% bhaag patthareela hai.[1] iska pakka anumaan naheen lagaaya ja paaya hai ke taithis mein patthar aur barf ki alag tahein hain ya patthar barf mein hi mila hua hai, lekin vaigyaaniko ko yeh gyaat ho gaya hai ke agar iske kendra mein patthar ka ek alag gola hai to us gole ka vyaas 290 kimi ya use se kam hi hoga.

taithis par ulkaapindon ke banaae hue kai sare prahaar kretar hain. iski satah par barf ki bani hui pahaadiyaaain aur ghaatiyaaain dekhi ja sakti hain. upagrah ke ek bhaag mein ek samatal maidaan bhi dekha gaya hai. jis disha mein taithis shani ki parikrama kar raha hai us taraf ke rukh par ek odesiys naam ka bada kretar hai jiska vyaas lagbhag 450 kimi hai. odesiys ke beech mein ek 2-4 kimi gahra gaddha hai jiske ird-gird 6-9 kimi lambi deevaarein hain. taithis ki jameen par ek aur badi aakruti ithaaka ghaati ki hai jo 100 kimi chaudi aur 3 kimi gahari hai aur poore chaaaind ke teen-chauthaai hisse mein 2,000 kimi tak chalti hai. taithis ki satah ka taapamaan -187 degree seinteegred hai.

taithis ka vyaas (daayaameetar) lagbhag 1,066 kimi hai. tulana ke liye pruthvi ke chandrama ka vyaas lagbhag 3,470 kimi hai, yaani taithis se kreeb tiguna.

anukram

anya bhaashaaoain mein

taithis ko angreji mein "Tethys" likha jaata hai. daayoni praacheen yoonaani dhaarmik kathaaon ka ek bheemakaaya paatr tha. daraasal "taithis" ka sahi uchchaaran "taithis" hai jismein "th" ka uchchaaran "th" ke varn se thoda bhinn hota hai.

inhein bhi dekhein

bahari kadiyaaain

sandarbh

  1. doi:10.1016/j.icarus.2007.03.012
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