A secondary goal, he continued, is to encourage the role of private space enthusiasts and commercial companies in exploration.

Other space enthusiasts object to the term on similar grounds.

He doesn't have a staff, either; a collection of friends and fellow space enthusiasts volunteer to help.

It's a tough time to be a space enthusiast.

Dawn carries a memory chip bearing the names of more than 360,000 space enthusiasts.

That feeling may become a permanent condition for Southern California's space enthusiasts.

If there were 20 percent less, I don't think the most diehard space enthusiast would be urging such a mission.

But, I caution myself, those who attend such talks are self-selected space enthusiasts.

But space enthusiasts love them, seeing the sleek new designs as a way to nurture the dream.

It is maintained by space enthusiast and author Mark Wade.