The stratosphere is the highest layer of Earth's atmosphere where aircraft can still fly. The density of the air is just high enough here to generate lift on a wing or buoyancy on a balloon, so designing any stratospheric aircraft is a delicate technological balancing act for th…
This book carries out approximate estimates of the costs of implementing ISRU on the Moon and Mars. It is found that no ISRU process on the Moon has much merit. ISRU on Mars can save a great deal of mass, but there is a significant cost in prospecting for resources and validatin…
This book describes the most complex machine ever sent to another planet: Curiosity. It is a one-ton robot with two brains, seventeen cameras, six wheels, nuclear power, and a laser beam on its head. No one human understands how all of its systems and instruments work. This esse…
In this book, Boston University Professor of Astronomy Michael Mendillo takes readers deep into the annals of history, showing how visual depictions of the heavens evolved in tandem with science and religion throughout much of Western culture. With unprecedented scope and scale,…
In this book, Boston University Professor of Astronomy Michael Mendillo takes readers deep into the annals of history, showing how visual depictions of the heavens evolved in tandem with science and religion throughout much of Western culture. With unprecedented scope and scale,…
For centuries, our ancestors carefully observed the movements of the heavens and wove that astronomical knowledge into their city planning, architecture, mythology, paintings, sculpture, and poetry. This book uncovers the hidden messages and advanced science encoded within these…
For centuries, our ancestors carefully observed the movements of the heavens and wove that astronomical knowledge into their city planning, architecture, mythology, paintings, sculpture, and poetry. This book uncovers the hidden messages and advanced science encoded within these…
As we speak, stunning new snapshots of our Solar System are being transmitted to Earth by a fleet of space probes, landers, and rovers. Yet nowadays, it is all too easy to take such images for granted amidst the deluge of competing visuals we scroll through every day. To truly u…
This is the comprehensive story of NASA's pioneering Mars 2020 mission, which at this moment continues to break ground on the surface of the Red Planet. The book takes readers through every stage of the Mars mission, describing its major goals and objectives, the cutting-edge te…
The story of Hubble and Humason is one for the ages--and in particular, the Cosmic Age. In this compelling book, science writer Ron Voller digs deep into how and why the two scientists continued to investigate their theory of universal expansion in the face of persistent doubt, …