record moonquakes and explore so-called lunar plasma a thin layer of electrically charged particles above the surface. and the rover will be able to collect data for a few earth days then it will go dark for 14 days that's when the temperature drops to $160.00 degrees below 0 celsius. the orbiter will spend a year gathering data about the moon the objective is to fill in the gaps from india's previous mission it has 8 measuring instruments on board their function is to investigate the moon's thin atmosphere and show which minerals and chemical elements make up its surface when. for the 1st time a special radar will be used to determine the location and quantity of frozen water . india's mission is the 1st to bring this type of instrument to the moon.