Houston, we've had a problem here.

I never thought I didn't have a card to play.

The lunar flights give you a correct perception of our existence. You look back at Earth from the moon, and you can put your thumb up to the window and hide the Earth behind your thumb. Everything youve ever known is behind your thumb, and that blue-and-white ball is orbiting a rather normal star, tucked away on the outer edge of a galaxy.

The Moon is essentially gray - no color - looks like plaster of paris - soft of gray sand.

For most of the time carrier aviation is more challenging than flying in a spacecraft

The real friends of the space voyager are the stars. Their friendly, familiar patterns are constant companions, unchanging, out there.

The vast loneliness is awe-inspiring and it makes you realize just what you have back there on Earth.