Owen Cotton: 2 books

Have you ever wondered why our Galaxy has a spiral structure? How do we even know its shape at all? What is 'Dark Matter' and why do we think it exists? Why can 'infra-red' and 'radio' astronomy reveal things that normal astronomy cannot? Answering these and many...

Our Star, the Sun, whilst only a small star compared to some, is essential for life upon Earth. Despite all of the technologies that are available to us, many questions remain. Those that have been answered include: What is the Sun made of? How does the Sun generate its...