Space Science, Exploration and Policies

China‘s position in the world has been evolving. It seeks increased influence and independence from foreign powers with the ultimate goal of preserving China‘s sovereignty, independence, territorial integrity, and political system. Over the long term, China seeks to transform the international system to better suit its interests, but seeks to integrate itself into the existing…

Scientists classify comets and asteroids that pass within 28 million miles of Earth’s orbit as near-Earth objects (NEOs). Asteroids that collide and break into smaller fragments are the source of most NEOs, and the resulting fragments bombard the Earth at the rate of more than 100 tons a day. Although the vast majority of NEOs…

This book presents an overview of NASA’s past operations and provides detailed accounts of some current missions and how they will form the future of space exploration.