Originally published in 2010 as The Big Questions: Universe, this book from astronomer, science journalist, broadcaster, and writer Stuart Clark explores 20 of the most perplexing and fascinating questions about the universe. Is there life on Mars? Why do the planets stay in orbit? Was Einstein right? What is dark matter? Are we made from stardust? And is there cosmological evidence for God? Stuart distills the wisdom and research of scientists operating at the cutting edge of their fields, offering a stimulating and challenging guide to the wonders of the universe as part of his ongoing efforts to explain the complexities of astronomy to the general public.