astrogation n.

In interplanetary travel we must develop an exact science of three-dimensional astrogation through the heavens.

Doubtless fifty years hence our pictures of rocket craft will look as crude as the engravings in the Jules Verne books do today. But it is hard to see how the principles of astragation can differ radically from the principles upon which nautical astronomy and celestial.

Please, sir, we're in astrogation.

He added Uncle Chet’s circular astrogation slide rule.

Our here, the only recourse is good astrogation.

The only way of getting hard information was from the astrogation screens, and as soon as the thought came to mind Nicklin felt a compulsion to go to the control deck without delay.

We're an independent research and communications corporation contracted to assist with astrogation.