Impey, Chris

"An astronomer answers questions on the cutting edge of astrophysics to explore the science of black holes and their role in theoretical physics, from Einstein's equations of general relativity to testing string theory"--OCLC.

"A report on humanity's imminent potential for living in space covers topics ranging from China's 2020 space station and the colonization of Mars to space-elevator innovations and the mapping of Earth-like exo-planets"--OCLC.