A #hymn .

https://youtu.be/bDjwUzUnNpU?is=wG7DhPjtCKOLtkke

And #Heinlein 's added verse.

Almighty Ruler of us all
Whose power extends to great and small,
Who guides the stars with steadfast law,
Whose least creation fills with awe;
Oh, grant Thy mercy and Thy grace
To those who venture into #space.