1. outer planet 2. density 3. orbital distance
4. mass
5. asteroid 6. volume
a. amount of matter in an object
b. irregular rock orbiting between mars and Jupiter
c. gaseous, spherical, cleared its neighborhood
d. amount of space an object takes up
e. distance between any planet and the sun
f. amount of matter in an object, in a given space

1. Outer planets - c. gaseous, spherical, cleared its neighborhood.

2. Density - f. amount of matter in an object, in a given space.

3. Orbital distance - e. Distance between any planet and the sun.

4. Mass - a. Amount of matter in an object.

5. Asteroid - b. Irregular rock orbiting between mars and Jupiter.

6. Volume - d. amount of space an object takes up.

the second one and the forth one are in the purple because they are opinions and the rest are in the yellow

explanation:

f is prop to m1xm2 double m1 double force