astronavigation
- n navigating according to the positions of the stars
- The cardinal principle of astronavigation is to keep far away from gravitational maelstroms.
- But unless some future space-cleaning agency removes it as a menace to astronavigation, Vanguard II itself will probably orbit silently for at least a century.
- Later Egyptians were careless about this detail of astronavigation, but not the pious First Dynasty forefathers.