The mass of a planet causes the pull of gravity on that planet.
Mass, the amount of matter in an object, is measured in grams.
The amount of matter of a planet causes the pull of gravity on that planet.
what part of a planet causes the pull of gravity on that planet?
1. solid, liquid, gas
2. layers of fat
3. barrel-shaped
4. our star
5. amount of matter
6. an external framework
7. hydrogen and oxygen
8. It expands