Leap Year

The leap year’s extra day is necessary because of the “messiness” of our Solar System. One Earth year (a complete orbit around the Sun) does not take an exact number of whole days (one complete spin of the Earth on its axis). In fact, it takes 365.2422 days, give or take.—BBC’s Leap year: 10 things about 29 February

This entry was posted on Wednesday, February 29th, 2012 at 8:00 am. It is filed under Random. You can follow any responses to this entry through the RSS 2.0 feed.