Why is it called the Southern Cross?

Related questions

1. Where is the Southern Cross tonight?
2. Does each state in Australia have its own flag?
3. Is the Southern Cross in the Milky Way?
4. Should we change the Australian flag debate?
5. Is Australia still a British colony?
6. What do the 5 stars on the Australian flag represent?
7. What do the 5 stars represent in the Australian flag?
8. How many flags has Australia had?
9. What does a white Australian flag mean?
10. Which flag came first Australia or NZ?

Tags

1. #southern
2. #small
3. #beautiful
4. #latin
5. #constellation
6. #identify
7. #centaurus
8. #originally
9. #called
10. #which
11. #close
12. #cross
13. #shape
14. #easiest
15. #located
16. #night
17. #neighboring
18. #known