Ponderables: The Universe An Illustrated History of Astronomy
What are today's imponderables?
What mysteries of the universe are yet to be solved?
Where will they lead?
What will be the next discovery?
The latest in The Ponderables series - The Universe An Illustrated History of Astronomy includes a removable fold-out that provides a 12-page 'Timeline History of the Universe' that embeds the story in historical context and shows Who Did What, When at a glance. The fold-out also includes is a 12-page star chart of the night sky of the Northern and Southern hemispheres for every month.