In How Do Galaxies Form?, early fluent readers will learn what galaxies are, theories about how they form, and what happens when they collide with each other. Beautiful, crisp, full-color photographs complement the text and aid readers' comprehension. How Do Galaxies Form? features a STEM infographic, sidebars, reading tips for teachers and parents, a table of contents, an activity, a glossary, and an index. Children can learn more about galaxies using our safe search engine that provides relevant, age-appropriate websites. How Do Galaxies Form? is part of Jump!'s Cosmos Questions series.