Question

How do planets grow ​

Answer 1

Answer:

planets grow when dust or objects collied with them then planets griw

hope these answer helps you

Answer 2

Answer:

During the birth of our solar system, planets grew in size for many millions of years as asteroids, comets, and dust collided to form the planets. ... Since then, the planets have both lost mass (mostly gases in the upper atmosphere), and gained mass (accumulation of meteorites and dust).