Welcome to the module on Astronomy.

At the end of this module you should:
 
1. Know the difference between the different celestial bodies. 
2. Understand how different celestial bodies behave in relation to each other and in the wider planetary system. 
3. Know the difference between the eight planets in our solar system. 
4. Be able to differentiate between comets, asteroids, meteors, meteorites and meteoroids.