▁infl am mat ory ▁conditions ▁Category : S y nd rom es ▁affect ing ▁the ▁lung <0x0A> </s> ▁C ans o ▁is ▁a ▁Mart ian ▁cr ater . ▁ ▁It ▁lies ▁about ▁ 4 5 0 ▁kilometres ▁west ▁of ▁the ▁Vik ing ▁ 1 ▁land er , ▁slightly ▁n ortheast ▁of ▁L un ae ▁Plan um , ▁and ▁west ▁of ▁Ch ry se ▁Plan it ia , ▁in ▁the ▁L un ae ▁Pal us ▁quad rangle . ▁ ▁The ▁cr ater ▁is ▁named ▁after ▁C ans o , ▁a ▁fish ing ▁town ▁in ▁Nova ▁Scot ia . ▁ ▁The ▁name ▁was ▁officially ▁adopted ▁in ▁ 1 9 8 8 ▁by ▁the ▁International ▁Astronom ical ▁Union ' s ▁Working ▁Group ▁for ▁Planet ary ▁System ▁N omen cl ature ▁( IA U / W G PS N ). ▁ ▁Imp act ▁cr aters ▁generally ▁have ▁a ▁rim ▁with ▁e ject a ▁around ▁them , ▁in ▁contrast ▁vol can ic ▁cr aters ▁usually ▁do ▁not ▁have ▁a ▁rim ▁or ▁e ject a ▁depos its . ▁ ▁As ▁cr aters ▁get ▁larger ▁( gre ater ▁than ▁ 1 0   km ▁in ▁diameter ) ▁they ▁usually ▁have ▁a ▁central ▁peak . ▁The ▁peak ▁is ▁caused ▁by ▁a ▁re bound ▁of ▁the ▁cr ater ▁floor ▁following ▁the ▁impact . ▁ ▁See ▁also ▁▁ ▁Imp act ▁cr ater ▁ ▁Imp act ▁event ▁ ▁List ▁of ▁cr aters ▁on ▁Mars ▁ ▁O re ▁resources ▁on ▁Mars ▁ ▁Planet ary ▁nom en cl ature ▁ ▁References ▁▁ ▁I AU / W