Still, it was quite a shock to learn today that astronaut Michael Collins ... around on the Moon, Collins was completely cut off from human contact for 48 minutes out of every two-hour orbit.

However, there was a third astronaut who traveled to the Moon but did not walk on its surface: Michael ... Collins noted that Earth appeared "about the size of your thumbnail when you hold it out ...

Michael Collins, who holds an important place in history as one of the astronauts who helped humans walk on the Moon for ... During his career as an astronaut, Collins spent 266 hours in space ...