Scientist Mark and Eva were helping NASA to crate a rover to get pictures and samples from mars.
Now Mark and Eva will gather information on the trip and the rover. Mark and Eva estimate that the temperature will be -81F.
There for Mark and Eva will have to desine the rover that will be going to mars . Right after the dezine they start on graphing out the costs and how much battery/fuel life they need to depend on. It will need to make a whapping 3 turns all around mars to make it home.
Now on this part mark and Eva have gathered all there tools and the materials. Now Mark and Eva need to be able to build the rover
In this section mark and Eva were started building the rover. They did it so now they wait for the next day they have to move it on the the rocket .
This last part mark and Eva loaded the rover on the rocket and after that they are ready for take off.