Instructions
goRight() = The Astronaut impulse itself to the right, the impulse depends on the value you pass as parameter
goLeft() = The Astronaut impulse itself to the Left, the impulse depends on the value you pass as parameter
alterGravity() = The Astronauts activates the Gravity Inverter Device.
magneticBoots() = The Astronauts activates the Magnetic boots to stick himself to the ground.