How often does the tilt of earth's axis change?
1 Answer
Jan 5, 2016
The angle of tilt changes all of the time.
Explanation:
The Earth's tilt angle, also known as obliquity, changes from about 22.1° to 24.5° in a 41,000 year cycle. The tilt angle is currently 23.44° and decreasing at a rate of about 47 seconds of arc per century.
