From the tiniest bacteria to the tallest trees, almost all life on Earth depends on the sun. But what is this glittering ball in space, and how do we study it? The Sun reveals the space science that has helped us explain some of our star's mysteries. Science-filled explanatory text reveals what and how we have learned about our sun and the history and future of this space science. Use your STEM and critical-thinking skills to complete the "Your Mission" activities to find out how you would solve space problems and head missions to discover more about our awe-inspiring star. Budding space scientists are encouraged to think about what your contribution to space science could be and if a future career in this field might be for you. The Sun completes the mission to explain the science of our star!