The hottest astronomy news stories from recent years, a round-up of the best new products and a complete night sky observing guide for 2005 - you'll find them all and much more inside the Astronomy Now 2005 Yearbook.

This 132 page special issue, put together by the staff of Astronomy Now, chronicles the latest developments in some of the most fascinating fields of astronomy and astrophysics - including the search for planets orbiting other stars, the origin of the Universe, and the prospects for life on Mars and beyond.

We've gathered together some of the UK's leading amateur observers, to bring you 32 pages of observing notes for 2005. Learn how to observe the giant gas planets Jupiter and Saturn, and get our predictions for comets and meteor showers. There's in-depth coverage of the night sky from month to month, illustrated with lavish star charts by Mark McLellan. And Astronomy Now's product reviewers round up the best new hardware for practical astronomers.
A comprehensive news review covers developments in the major fields of astronomy from exoplanets to black holes. We look at NASA's plans to build the next generation of space probes powered by a nuclear reactor. Iain Nicholson explains why the stars and galaxies that we see through our telescopes are just the icing on the cake. And browse some of the most stunning space imagery returned by our most powerful telescopes, both on the ground and in orbit.