Kuiper belt

Kuiper belt ^[1] Saur Mandal ke sab se duur waala hissa ke circumstellar disc hae, jon Varungrah ke orbit se, 30 astronomical units (AU) pe, se lagbhag Suraj se 50 AU talak.^[2] Ii asteroid belt ke rakam hae, lekin dher barraa hae—20 chaurraa aur –200 dafe aur garrhu hae.^[3][4] Asteroid belt belt ke rakam, isme chhota-chhota chij hae jon Saur Mandal ke bane ke time se bachaa hae. Jab ki dher asteroid patthar aur metal ke banaa hae, jaada Kuiper belt ke chij frozen volatiles (termed "ices"), jaise methane, ammonia, aur paani se banaa hae. Kuiper belt uu chij ke ghar hae jiske astronomer log jaada kar ke bauna grah bole hae: Orcus, Yamgrah,^[5] Haumea,^[6] Quaoar, aur Makemake.^[7] Saur Mandal ke kuchh chaand, jaise Varungrah ke Triton aur Sanigrah ke Phoebe, saait ii jagha se aae hoi.^[8][9]

Varungrah ke orbit se duur, Kuiper belt ke chij.
(Scale AU; epoch me, January 2015 me.)

Suraj       Arungrah trojan       Gas daano: B S A V       Centaur

Varungrah trojan       Resonant Kuiper belt       Classical Kuiper belt       Scattered disc

Distances scale me nai hae, lekin size hae. Biich me ke piyar disc Mangalgrah ke orbit ke baraabar har..
Source: Minor Planet Center, www.cfeps.net and others