
shiller (crater)

shiller chandrama key nikat dakshin-paschimi kshetra mein sthit ack chandra prabhaav gaddha haye. shiller key kinare kaa aakar lamba hotaa haye joe chandra anga kii nikatata seey pravardhit hotaa haye. lambi dhuri uttar-paschim-dakshin poorv mein chalane vaali ack rekha key saath sthit haye, jiska chauda gheraa dakshin-purvi aadhe mein sthit haye. avtal paksh uttar-poorv kii or hotey hue, vistaar mein thodaa modd hotaa haye. shiller koo dou yaa dou seey adhik gaddhon kaa mishran maanaa jaataa haye.
gaddhe kaa kinara achchi tarah seey paribhaashit haye, jisamen ack seedhidaar aantarik deewaar aur ack mamuli baahari prachir haye. dakshin-purvi chhor parr, ack chhota gaddha ack vistrit ghaati dwara shiller seey judaa huaa haye. adhikansh gaddhe kaa farsh sapaat haye, joe laava baadh key kaaran honey kii sambhavana haye. kuchh chamkile dhabbe hain joe uchch soorya konn key neeche sabse spasht roop seey dikhaai dete hain. uttar-paschim gaddhe key tala key kendra mein ack dohri katak sthit haye, joe lagbhag ack raikhik gathan banaati haye joe tala koo aadhe mein vibhajit karati haye.
shiller key dakshin-paschim mein shiller-zukius besin haye, joe ack poorv-nectarian besin (shikhar ring besin) haye. iss besin koo chandra paryavekshakon key beach 'shiller annular plain' kaa anaupchaarik padnam milaa haye.
upgrah crater.
upgrah gaddhe mukhya gaddhe key paas sthit chhote gaddhe hain, joe ack poorak badey akshar key saath usa gaddhe key samaan naam praapt karate hain (bhale hii inn gaddhon kaa gathan mukhya gaddhe key gathan seey swatantra hoe).

