Planets in example sentence
A cloud of dust and gas that form the Sun and the Earth and the planets and you and me started to collapse as gravity pulled it all together.
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. 
