It's a big question-could an asteroid really destroy life on Earth? You might not want to hear the answer... but don't panic! Scientists have a plan, and it's more thrilling than science fiction. From high-tech telescopes scanning the skies for giant incoming space rocks to daring asteroid-deflecting missions, planetary defence is the real-life science of saving the world! Discover the brave experts working together to protect our planet from extraterrestrial threats, their groundbreaking research, and incredible breakthroughs. Cool, graphic-style, fun illustrations intermix with jaw-dropping facts, Tomorrow's World showcases science like never before - as something that can change the world!