Hidden Universe must be one of the best sources available to the general public for understanding the amazing progress astronomy has made in recent years using telescopes and satellites which can 'see' beyond the visible part of the electromagnetic spectrum, i.e. into the infra-red and radio (longer wave length) and ultraviolet, X-ray and gamma-ray (shorter wavelength)regions.
These developments, so well described and illustrated in this International Year of Astronomy book, have opened up new events and regions in our own galaxy (seen from within as the Milky Way) and into the vast regions of the universe beyond. The longer wave length experiments penetrate through the clouds of gas and dust to regions and stars which have remained hidden when using only visible light.The shorter ones reveal the most dramatic and energetic events taking place from the birth of stars to the collision of galaxies.
For anyone interested in astronomy and cosmology it is a visual and intellectual feast as well as available at a bargain price. It has a companion book 'Eyes on the Skies - 400 years of telescopic discovery' which is equally good. My recommendation is to buy both!
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