• Wikipedia has an article called Ecliptic
  • See Ecliptic/Quizzes for quizzes pertaining to that article.

For related Wikipedia articles, see

• • w:Eclipse
  • w:Saros (astronomy)
  • w:line of nodes.
• Wikipedia articles on this topic suffer from a paucity of images. See for example:
  • http://people.highline.edu/iglozman/classes/astronotes/media/eclipse_nodes.gif
  • http://zebu.uoregon.edu/~imamura/121/lecture-2/eclipse.html
  • http://sixdayscience.com/curriculum/textbooks/chapter-3/
  • http://epod.usra.edu/.a/6a0105371bb32c970b0154330dc330970c-pi montage of lunar eclipse