The best website for the Zodiac would be http://www.enchantedlearning.com/subjects/astronomy/stars/zodiac.shtml. It has diagrams of all tweleve Zodiac constellations. The diagrams are colorfu, detailed and very enlightening. It can be used to help anyone study the twelve Zodiac constellations. It has very helpful, extra information to study from.
The best website for the North Circumpolar Constellations, in my oppinion, is http://www.geocities.com/Heartland/Fields/8616/circumpolar.html. This site has amazing graphics. It is very detailed and easy to read. It has good history on the page. It also tells you how to find the contilations. The page may be small but it has some great information.
The best website for The Life Cycle of a Star has got to be http://sunshine.chpc.utah.edu/labs/star_life/starlife_main.html. It has excellent diagrams. It also has well detailed pitures. It has great way of explaining things to where I can easily understand them. It has accurate information. It includes tons of information that I need to know for class. It makes learning and reviewing the life cycle of a star easy an fun.