It’s a common problem: you want to go and visit another planet in the solar system but you’re just not sure of the best way to get there.
This space subway map should come in handy, then, as it shows you how much energy you’ll need to go on an interplanetary tour.
From Earth to Neptune, you’ll never get lost in space again as the map shows you the velocity you'll need to reach in order to escape from the gravitational pull of various planets and moons, or visit a new destination.
To read more, click here.