5. Match the columns to make a phrase.

1. small asteroids too dim

a. more likely

2. wandering asteroids might

b. Earth captures some of small space rocks from time to time

3. to make some explanation

c. to be artificial satellites

4. To be captured, an object must

d. start out in an orbit nearly identical to Earth’s.

5. it makes sense that

e. to detect

6. they were assumed

f. a better picture

7. to give

g. become temporary moons