Surely, youâd like to know where the Earth ends, what surrounds the Earth, how far it is to the Moon and the stars, why the stars sparkle, why a ball you throw up always falls down, why itâs warmer in the Sun in summer, why the moon is round one day and crescent shaped another, and what other planets are there besides earth. The answers to these and many other questions are contained in P. Klushantsevâs book All About the Telescope.