Wenen an astronaut travels to different planets, which of the following planets will the astronaut's weight stay constant to

what is measured at on Earth?

Jupiter

Saturn

Mars

none

None.

Explanation:

The weight of the astronaut is equal to the force of gravity the astronaut feels that depends on the mass of the planet.

Because the mass of the Earth is different than that of Jupiter, Saturn and Mars, the astronaut's weight will change when he/she travels to either planets.