الوصف
How do stars twinkle? How many stars are there in the sky? Are all stars the same size, shape, mass and appearance? This Encyclopaedia will answer these and more whys for you. Learning is made simpler with well-labelled diagrams and an extensive glossary of difficult words. Bonus: This book comes loaded with Isn't It Amazing a section of fun facts on each page to keep you glued for more.