What do you need to do to get into space? An explanation of orbits, forces and the 'slingshot effect'.
- In order to land on the Moon, Apollo 11 had to be launched at just the right speed.
- If a rocket is fired towards the Moon with insufficient power, it will fall back to Earth or enter its orbit.
- If launched at over 40,000km/h, a rocket will follow a wide enough orbit that it can be intercepted by the Moon's gravitational force.
- The Moon's gravity changes the orbit of an approaching rocket, allowing it to land on the surface.
Thinking about a trip to the Moon?
Let's say you've made yourself a plan.
President J. F. Kennedy – "We choose to go to the Moon."
You've managed to train yourself some astronauts.
And you've even managed to get hold of a massive rocket.
How do you actually get to the Moon?
If you fire with ...