All About The Telescope

Surely you'd 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 it's warmer in the sun in summer why the moon is round·one day and crescent-shaped another and what other planets there are besides the Earth. The answers to these and many 'other questions are contained in br. Klushantsev's book all about the telescope.