magneticDuck

3 ms·

1. 1.▲
   by magneticDuck 5y ago

   That's not an accurate explanation, since the Oberth effect also holds for a fictitious rocket that doesn't lose mass when it thrusts.
2. 2.▲
   by magneticDuck 5y ago

   Your fuel is measured in delta-V—the velocity you can accelerate by in an inercial reference frame—and kinetic energy scales with the square of your velocity.
3. 3.▲
   by magneticDuck 6y ago

   Just take all the theorems about prime numbers, multiply them, and ... uh ...