Publisher: Wonder House

Summary: Why is the sun the centre of the solar system, and how old is it? Why can't we count stars? Why does Earth and other planets revolve around the sun? This encyclopedia will answer these and more whys for you. Learning is made simpler with well-labelled diagrams and an extensive glossary of difficult words. Bonus: the book comes loaded with isn't it amazing section of fun facts to keep you glued for more.

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