Bezos’ space company Blue Origin started at about the same time as Musk’s SpaceX but since then Musk’s firm has launched more than 400 of its Falcon 9 rockets into orbit and is testing out its giant Starship rocket which it hopes will send astronauts to the Moon and one day possibly on to Mars.

The 320-foot New Glenn rocket was supposed to blast off before dawn with a prototype satellite from Florida’s Cape Canaveral Space Force Station.

New Glenn rocket was supposed to blast off before dawn Monday with a prototype satellite. But ice formed in a purge line for a unit powering some of the rocket’s hydraulic systems and launch controllers ran out of time to clear it,