You are holding in your hands, dear Reader, your passport to an exciting cosmic adventure - exploring the universe of double and multiple stars These are the sky's tinted jewels and waltzing couples, and they are waiting patiently in the darkness of night to dazzle and delight you. This is actually two books in one. The ?rst part surveys the current state of knowledge about double stars - how they are born, evolve and interact, their signi?cance in the cosmic scheme of things, and the valuable insights they provide into such fundamental matters as stellar masses and the ultimate fate of...
You are holding in your hands, dear Reader, your passport to an exciting cosmic adventure - exploring the universe of double and multiple stars These...
Amateur astronomers of all skill levels are always contemplating their next telescope, and this book points the way to the most suitable instruments. Similarly, those who are buying their first telescopes - and these days not necessarily a low-cost one - will be able to compare and contrast different types and manufacturers. This exciting and revised new guide provides an extensive overview of binoculars and telescopes. It includes detailed up-to-date information on sources, selection and use of virtually every major type, brand, and model on today's market, a truly invaluable...
Amateur astronomers of all skill levels are always contemplating their next telescope, and this book points the way to the most suitable instrument...