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How old is the universe? How was the Earth made? What makes the sun so hot? What would life be like if we didn't have the moon?Well, why not find out for yourself? Get on board the Photon Express – your own little personal time traveller – and join the author on an exciting journey across the universe. Travel back in time, and check out an infant Earth and a young sun, just as they begin to form, or zoom forward to see a black hole formation, or take a halt in any of the planets on the way!With stunning pictures and illustrations, there is no doubt the book will bring outer space right into your living room! Go behind the scenes, and meet gravity, the fundamental creative force behind the entire universe!Get into the minds of great scientists to find out how they discovered the secrets of the world beyond earth. Cool thought experiments are included inside to awaken the scientist in you!There is also a special guide for building your own little telescope included inside!