How to Be a Star Gravitationally collapse a nebula. Fuse hydrogen into helium. If desired, explode. How-to astronomy poetry to answer vexing questions such as How to Surprise Saturn, How to Blush Like Betelgeuse, and How to Survive a Black Hole. How to Navigate Our Universe is a collection of 128 poems, ranging from whimsical to serious — poems about planets, stars, black holes, and astronomers, complete with essential advice such as How to End the Universe.