Why is Mother called Earthbound?

Related questions

1. Did Toby Fox make himself Undertale?
2. Does Ness die?
3. What's the difference between mother and earthbound?
4. Why is earthbound called mother?
5. Are Ness and Lucas Brothers?
6. Is Mother 3 the same as EarthBound?
7. Is Ness related to Lucas?
8. Is Earthbound popular?
9. How many copies of earthbound were sold?
10. Is EarthBound and mother the same game?

Tags

1. #decided
2. #original
3. #catchy
4. #change
5. #mother
6. #title
7. #motherearth
8. #changed
9. #earthbound
10. #since
11. #developed
12. #earth
13. #would
14. #which
15. #called
16. #added
17. #something