Go to the route near sootopolis city and use dive u should see a cave go inside and the submarine should be there
Go to Mossdeep city , then go to the space station, talk to the sailor, and he will give you a sunstone.
In the same town that he told you to go to his house to get there leave the space station go left go up go to the house at the corrner and that is his house
go to mosdeep city go to the rocket station when the guy says this was succesfull flight 100 he will say again do you want go to space say yes it,s a one chance opurtunity i cliked no by a mistak waaaaaaaaa
Go to Space Center and......you will see Team Magma.
Fly to mossdeep city in Pokemon emerald version then go to the space centre there will be two proffessors one will say what 99%..... and one will say Rocket Launched Succesful No.__
In mossdeep, go to ure right then up
the space station in mossdeep city
Go to Mossdeep city , then go to the space station, talk to the sailor, and he will give you a sunstone.
You must input the correct code in a gameshark to get jirachi, and then go to the space station, and from there it is pretty straight forward.
it is a place where u fight team aqua and magma and once u complete da pokedex (both of them) you can go to space
In the same town that he told you to go to his house to get there leave the space station go left go up go to the house at the corrner and that is his house
go to the space station at mossdeep talk to the people that are guys on person will say how he dont need it talk to him
you go and deafeat the 7th gym then you go to the space station and deafeat a few magma grunts and team up with steven
you have to have a latias and a latios both at level 77 holding a sitrus berry then go to moss deep at the space station one of the people will say do you want to go to space?then say yes
Despite what rumors say, you can't go into space in Emerald. (Maybe they'll include that in the remake.)
go to Stevens house and he'll reward you with the HM dive
Unfortunately, you can't go into Outer Space. That is/was a false rumor.