It's a/an/the tricky thing, to be sure. You want your star to shine/glimmer/sparkle brightly/boldly/fiercely, that much is certain. But you also need it to be grounded/stable/balanced. You can't have a star that's too heavy, or it'll sink/fade/collapse under its own weight. And you can't have one that's too light, or it'll just drift aimlessly/wit