Welcome to the module on Space Exploration!

Things to note!
1. The difference between solid and liquid fuel rockets. 
2. How rocket staging works. 
3. The different types of manned spacecraft. 
4. The advantages/disadvantages of manned and unmanned missions. 
5. The challenges associated with space travel. 
6. The technologies developed from space travel research. 
7. Some of the arguments in favour of and against space exploration.