By Douglas Messier
Parabolic Arc Managing Editor
With human flights beyond Earth orbit not expected to occur for at least eight years, the private sector is increasingly eying deep space for a series of ambitious robotic and human missions for both adventure and profit.
Nine programs are currently underway that include robotic and human landings of the moon, human flybys of the moon and Mars, the mining of the moon and asteroids, and even a settlement on Mars. Backers of these initiatives include the X Prize Foundation, Google and its executives, and the world’s first space tourist, Dennis Tito.