Around the World in Eighty Years
February 7, 2019 7:46 AM Subscribe
Start with a small spaceship having a mass of 1500 kg from earth with a low start delta velocity of maximal 2.5 km/s, visit all nine planets of the solar system using only about 550 kg propellant in at most 80 years. Sounds crazy? Watch a short animation of such a "Jules Verne Tour," or if you like details, read all about how it was computed.