▁ice ▁cap ▁that ▁result ▁from ▁season al ▁mel ting ▁and ▁de position ▁of ▁ice , ▁together ▁with ▁dust ▁depos its ▁from ▁Mart ian ▁dust ▁storm s . ▁Information ▁about ▁the ▁past ▁climate ▁of ▁Mars ▁may ▁eventually ▁be ▁revealed ▁in ▁these ▁layers , ▁just ▁as ▁tree ▁ring ▁patterns ▁and ▁ice ▁core ▁data ▁do ▁on ▁Earth . ▁Both ▁polar ▁caps ▁also ▁display ▁gro oved ▁features , ▁probably ▁caused ▁by ▁wind ▁flow ▁patterns . ▁The ▁gro ov es ▁are ▁also ▁influenced ▁by ▁the ▁amount ▁of ▁dust . ▁The ▁more ▁dust , ▁the ▁dark er ▁the ▁surface . ▁The ▁dark er ▁the ▁surface , ▁the ▁more ▁mel ting ▁as ▁dark ▁surfaces ▁abs orb ▁more ▁energy . ▁ ▁Gallery ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : M are ▁B ore um ▁quad rangle ▁Category : Val le ys ▁and ▁can y ons ▁on ▁Mars <0x0A> </s> ▁Sa ay ad ▁( Trans lation : ▁Probably , स ा य द ) ▁is ▁a ▁ 2 0 1 2 ▁Nep ali ▁Com ing ▁of ▁age ▁Com edy - d rama ▁film ▁written ▁and ▁directed ▁by ▁Su ro j ▁Sub ba ▁" N al bo ". ▁Produ ced ▁by ▁Sun il ▁Raw al ▁under ▁the ▁b anner ▁of ▁D urg ish ▁Films , ▁the ▁film ▁features ▁Sun il ▁Raw al , ▁Sam y am ▁P uri ▁& ▁Wilson ▁B ik ram ▁R ai ▁in ▁p iv otal ▁roles . ▁ ▁Syn opsis ▁ ▁Sa ay ad ▁is ▁the ▁story ▁of ▁two ▁gener ations ▁living ▁together , ▁but ▁experien cing ▁the