Planets in example sentence
So here we have the orbits of the inner rocky planets in our solar system: Mercury, Venus, Earth and Mars, and all seven Earth-sized planets of TRAPPIST-1 are tucked well inside the orbit of Mercury.
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. 
