Apparently, this user prefers to keep an air of mystery about them.
16 Observing lunar lander and footprints on the moon? Jun 1 '11
9 Why don't modern spacecraft use nuclear power? Jun 1 '11
5 How to care for a Dobsonian around the ocean? Jan 3 '12
4 How to adjust feather touch focuser for collimation? Feb 14 '12