New posts in Rocket Science

Why do spaceships heat up when entering earth but not when exiting?

How is the work done to push a planet over 1m with 1N the same as pushing a feather over 1m with 1N?

Why don't humans burn up while parachuting, whereas rockets do on reentry?

Where does the extra kinetic energy of the rocket come from?

Supergun Launching of Satellites

How does constant thrust avoid quadratic kinetic energy accumulation?

Could we launch a missile from a planet with the mass of Jupiter?

What is the third cosmic velocity?

Is there any disadvantage to sending rockets straight up?

When a planet has a high gravity, is it impossible to build and launch a successful chemical rocket to space?