slingshot | Slingshot Hip Hop | Gravitational collapse | Gravitational lens | Gravitational constant | Gravitational acceleration | European Gravitational Observatory |
As a "Plan B" in case the proposed Inspiration Mars fly-by of Mars missed its 2018 launch window, in November 2013 Dennis Tito proposed a different mission architecture whereby the mission craft would first fly-by Venus, using Venus in a gravitational slingshot to speed the craft's onward journey to Mars.