How do you get Latias if you have latios on emerald?

you have to first send your game to nentendo. then when it gets back you'll have something called an eon ticket. then you'll be able to go to new islands around the hoen region . send your game now really its amazing you have to first send your game to nentendo. then when it gets back you'll have something called an eon ticket. then you'll be able to go to new islands around the hoen region . send your game now really its amazing