ऍris (bauna grah)

habal antariksh doorabeen dvaara li gayi ऍris aur disnomiya ki tasveer - ऍris bada wala gola hai

ऍris hamaare saur mandal ka sab se bada gyaat bauna grah hai. antarraashtreeya khagoleeya sangh dvaara rakha gaya iska aupachaarik naam "136119 ऍris" hai. ऍris hamaare saur mandal mein sooraj ki parikrama karti sabhi gyaat khagoleeya vastuon mein se nauvi sabse badi vastu hai. iska vyaas (daayaameetar) 2,300-2,400 kimi anumaanit kiya jaata hai. iska dravyamaan (maas) yam (plooto) se 27% zyaada aur pruthvi ke dravyamaan ka keval 0.27% hai.

ऍris ki khoj san 2005 mein ki gayi thi. yeh ek varun-paar vastu hai (yaani varun (naiptayoon) ki kaksha se bhi baahaar hai). ऍris sooraj se behad door hai aur kaaipar ghere se bhi baahar ek bikhre chakr naam ke kshetr mein sthit hai. 2011 mein yeh sooraj se 96.6 khagoleeya ikaai ki doori par tha, jo plooto se bhi teen guna adhik hai. ऍris ke ird-gird iska upagrah disnomiya parikrama karta hai. aaj ki taareekh mein ऍris aur disnomiya hamaare saur mandal ki sab se doori par sthit praakrutik vastueain hain.

anukram

anya bhaashaaoain mein

ऍris ko angreji mein "Eris" aur disnomiya ko angreji mein "Dysnomia" likhte hain. ऍris ka naam praacheen yoonaani dharm ki ek devi, ऍris (Ἔaaρaaιaaς), se liya gaya hai jo vivaad aur ladaai-jhagade ki devi maani jaati theen.

kaksha aur parikrama

ऍris ko sooraj ki ek poori parikrama lene mein 557 saal lag jaate hain. ऍris ki kaksha saur mandal ke chapate chakr se tirchhi hai. parikrama karta hua yeh aadhe samay ke liye us chakr se oopar uth hota hai aur baaki aadhe samay ke liye neeche aa jaata hai. iske parikrama kaksh ka saur mandal ke chakr se 44 degree ka kon hai.

ऍris ki banaavat

ऍris ki satah ka elbeedo (safedapan ya chamakeelaapan) 0.86 hai, jo saur mandal ki kisi bhi anya vastu se adhik hai, sivaaya shani ke upagrah ऍnasailaadas ke. vaigyaanik iski vajah yeh bataate hain ke ऍris ek sooraj se atyant door bahut hi thande ilaake mein hai aur usaki satah par jami hui methane gas ki chamakeeli barf hamesha rahati hai. is roshan chhavi ki vajah se apni pruthvi se gambhir doori ke baavajood ऍris ko saadhaaran gair-vaigyaanik log bhi kuchh doorabeenon se dekh sakte hain.

ऍris ki satah par taapamaan -243 se -217 degree seinteegred (yaani 30 se 56 kailvin) anumaanit kiya gaya hai. ऍris ki satah bhoori hai, jo ki plooto ki laalima se bhinn hai. vaigyaaniko ki soch hai ke plooto par methane ki barf tik naheen paati aur uske neeche ke laal rangon vaale tholin naam ke padaarth nazar aane lagte hain. ऍris plooto se adhik sard hai isliye methane ki barf aise tholino ko hamesha ek bhoori rang ki barfeeli chaadar se dhake rakhati hai.

inhein bhi dekhein