It is as much outside 97 our control as the precession of the equinoxes.

If the earth were a perfect sphere, precession would be inexplicable.

In fact he had discovered the physical cause of that precession.

Of these the principal are devoted to the effect of precession.

Its movement we see in the heavens in the precession of the equinoxes.

Making proper allowance for the precession of the equinoxes.

He knows about as much about mining as a hog does about the precession of the equinox.

Hurry on the precession, and the body rises in opposition to gravity.

The motion of a rifle bullet is therefore one of precession about the tangent to the path.

If this rule is right, we see at once why precession takes place.