3 ms·
This phenomenon is called "The Tyranny of the Rocket Equation": https://www.nasa.gov/mission_pages/station/expeditions/expedition30/tryanny.html https://www.nas
by nayuki 5y ago
This phenomenon is called "The Tyranny of the Rocket Equation": https://www.nasa.gov/mission_pages/station/expeditions/expedition30/tryanny.html https://www.nasa.gov/mission_pages/station/expeditions/exped...
- ncmncm 5y agoSaturn, Uranus, and Neptune all have surface (well, cloud level) gravity nearly equal to Earth's. But try launching anything to orbit from any of them! (Strangely, with hydrogen and helium the majority of all three atmospheres, they have water and ammonia clouds. What holds them up?)