http://www.sciencenetlinks.com/interactives/gravity.html

Can you orbit the moon?
I got to level 4 - Level 5 is a PITA

Just did them all, not that hard really.

The only problem was the controls that jumped the moment you pressed them and were very difficult to manipulate slowly

Round 5 is a PITA, I can get the one by the moon and the one at the bottom of earth but cant get the third.

Quote from: SweensterJust did them all, not that hard really.

The only problem was the controls that jumped the moment you pressed them and were very difficult to manipulate slowly

You could just delete the text values and type them in

This makes me think of that space game which used to be in Encarta yonks back, which was miles better than this...

that was fun, reminded me of a project I had to do while at uni to write a gravity simulator in Matlab.

L5 took me a while, not sure if the way I did it is the intended way or not but it looked pretty.