Question

And Astronaut wearing an environment suit has a total mass of 130 kg. What is his weight on earth?

What would his weight be on Mars where the acceleration of gravity is 3.26?
What is his mass on Mars? Why?
If he should end up adrift and deep space what what his mask be? Why?

Answer 1

mass never changes. Only the weight does. The weight is mg, on whatever planet is doing the gravity.