Today's schoolchildren are tomorrow's Martian explorers. The first person to walk on Mars is probably already alive & under 18 years old. Are they at your school? In this awe-inspiring talk, packed full of stunning visuals & the latest scientific thinking, astronomy author Colin Stuart takes you on a journey there. Based on his latest books, including The Astronaut Selection Test Book with Tim Peake, you'll hear just what it'll take to achieve the most audacious feat of exploration ever tried.