2017-09-03 Delta-V Map of the Solar System (IMG) Image Delta-V, the capability of a spaceship to change its velocity, not distance between the destinations, is the convenient measure of travel cost in a solar system. This map is drawn based on deadfrog42's and Winchell Chung's data. I'm not an expert of space travel, so mistakes are expected and requested to be reported. Read more about it and see other maps at Atomic_Rockets . You can buy this as a poster from Zazzle. Blogger seems to quietly scale down large images, so here is a bigger_version of the image below. (IMG) Image (HTM) Download bigger image here