Did you know ... that one of Saturn's moons is so hollow it would float in water? That the largest known star is 3.69 billion times bigger than our sun? Or that Jupiter likely has diamonds floating in its clouds? Explore dazzling facts about the vast expanse of space, from glowing stars billions of light-years away to supermassive exploding supernovas to rockets thundering into the unknown. This comprehensive book takes you on a mind-blowing tour of our unbelievable universe and is full of fascinating facts on topics such as space exploration, our solar system and galaxy, and beyond. Expert astronomer Dean Regas-former host of PBS's Star Gazers and astronomer of the Cincinnati Observatory-takes you on an incredible tour of facts about each planet in our solar system, dwarf planets, our sun and other stars, exoplanets, comets, asteroids, galaxies, space travel, and so much more. Hundreds of stunning photographs bring the facts to life. A universe of fun and discovery awaits!