There are two important things to consider when planning a space excursion. How will the gravitational pull of the planet affect the individuals and space craft ? How will linear time be affect by orbits and solar cycles? Weight and time are both relative to the object you travel to and land on. Remember that weight is different than mass. Your instructions: click on this link- https://www.exploratorium.edu/ronh/weight/ Fill in this information on the template. 1-Calculate your weight on 3 entities (Name the planets and your weight on each one) Scroll to the bottom Read some facts about weight and mass. Click on "Your Age on other Worlds" 2-Calculate your age on 3 other worlds (Name the entities and your age on each one) *For extra knowledge scroll to the bottom and see the famous astronomers who discovered that planets and moons do not travel in perfect circles but instead ellipsis. The equations are quit interesting as they are simple. Click on the additional links for more astronomy fun.