The next 50 years of spaceflight will carry many challenges and surprises for explorers hoping to extend their reach into the cosmos. But it will also likely hold untapped riches for space science and spinoff technology that could, one day, catapult human and robotic explores beyond our own solar system and outward to other stars.
CREDIT: NASA/Glenn Research Center
By Mike Wall, SPACE.com Senior Writer
The United States military is calling for ideas to aid a joint study with NASA that will identify the requirements necessary to make interstellar space travel possible, as well as practical.