Google+
Close

The Corner

The one and only.

LIBRATION



Text  



The libration of the moon, and changes in its actual size as seen from Earth, are beautifully illustrated in the movie linked to at the bottom of this Astronomy Picture of the Day page.   (Note:  Wait out the movie–the good stuff is at the end.)



Text  


Sign up for free NR e-mails today:

Subscribe to National Review