Planets in example sentence
But another fundamental characteristic about planets is what you don't see here, and that's the star, the Sun, that all of the planets in the solar system are orbiting around.
More example sentences with word planets
And what starts happening is that, around young suns, young stars, all these elements combine, they swirl around, the energy of the star stirs them around, they form particles, they form snowflakes, they form little dust motes, they form rocks, they form asteroids, and eventually, they form planets and moons. 
