Mrs. Mack's New Middle School Science Pages

Systems

Remember when you were small, or at least smaller than you are now, and you wrote on your books something like;
This book is the property of
Sally Walker,
31 Spicer Street
Laidley,
Queensland, Australia,
the World,
The Solar System,
The Milky Way,
The Universe?

Without knowing it, you had used a system to organise your world.
Astronomers still classify objects in the sky in pretty much the same way.
Use the links below to explore further.