Planets in example sentence
And the thing here is, for the purposes of this talk and atmospheric escape, Pluto is a planet in my mind, in the same way that planets around other stars that we can't see are also planets.
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. 
