ambrial (upagrah)

vauyejar dviteeya yaan dvaara 1986 ko li gayi ek ambrial ki tasveer

ambrial Arun (yurenas) grah ka ek upagrah hai. akaar mein yeh Arun ka teesara sab se bada upagrah hai. ambrial ka rang Arun ke saare upagrahon mein se sab se gaadha hai. Arun ke anya bade chandramaaon ki tarah, ambrial bhi barf aur patthar ka bana hua hai. iski satah barfeeli aur andar ka keindreeya bhaag patthareela hai. iski satah par antariksh se gire hue ulkaapindon ki vajah se bahut se bade gadhdhe bhi hain, jinka vyaas 210 kimi tak pahuainchata hai. kuchh teele aur khaaiyaaain bhi dekhi gayi hain. vauyejar dviteeya yaan ke 1986 mein Arun ke paas se gujrane par ambrial ki satah ke lagbhag 40% hisse ke nakshe banaae ja chuke hain.

akaar

ambrial ka akaar gol hai. iska ausat vyaas lagbhag 1169 kimi hai, jo ऍrial ke 1158 kimi ke vyaas se bas thoda sa hi bada hai. pruthvi ke chandrama ka vyaas lagbhag 3,474 kimi hai, yaani ki ambrial ka akaar hamaare chandrama ka lagbhag ek-tihaai hai.

inhein bhi dekhein