$44.95
Assemble your own moving solar system!
Set the planets I motion with a flick of your wrist! Build a mechanical model of the solar system including the sun and eight planets (also known as an orrery,) wind it up, and watch the planets revolve around the sun. Assemble this complex machine using snap-together plastic parts to learn how the gears and windup mechanism work to spin the model. Detail each planet with colourful, realistic-looking printed planet graphics. Discover how a special type of gear called a planetary gear is used to stimulate the mesmerizing motion of the solar system. Learn about the order of the planets, their relative sizes, their rates of revolution around the sun, their appearance, and other planetary facts. Bonus: There's a built-in expansion slot in case the mysterious Planet Nine is discovered! This kit includes full-colour step-by-step illustrated assembly instructions.
$29.95
An Astronaut's Guide to Life on Earth is an inspirational memoir of space exploration and hard-won wisdom, from an astronaut who has spent a lifetime making the impossible a reality.$29.95
Step outside and look up at the night sky. We are fortunate to live in Australia, where the stars of the Southern Hemisphere are spectacular. does it leave you with a sense of wonder, wanting to know more about the heavens above? Then this book is for you.
Whatever your level of interest this publication has much to offer. even if you are a beginner just starting your astronomical voyage, using nothing but your eyes, let this be your guide to:
$39.95
Join David J. Eicher in this fast-paced and entertaining journey through the history, present, and future of these important yet mysterious cosmic bodies. The author carefully explores the ideas relating comets and life on Earth - and the danger posed by impacts. He finishes with practical, how-to techniques, tips, and tricks on how to successfully observe comets and even to capture your own images of them.