The obliquity of vision of the European residents on all these points is extraordinary.
I repeated, a little astonished by this obliquity in a man customarily so direct.
Periodic changes in the form and obliquity of the earth's orbit.
Abbategnia decided the obliquity of the ecliptic to be 23 25.
They found the length of the year, and calculated the obliquity of the ecliptic.