Venus also requires a lot more energy to lift mass from the surface since it’s nearly the same size as Earth. Its escape velocity is 10.3 km/s. Earth is 11.2 km

Venus also requires a lot more energy to lift mass from the surface since it’s nearly the same size as Earth. Its escape velocity is 10.3 km/s. Earth is 11.2 km/s and Mars is 5.0.