You can't.
Darkrai first appeared in the Sinnoh games. (Diamond, Pearl, and Platinum) It was never shown in the Hoenn games, so it is unobtainable in Pokemon Emerald, for it was not known then.
No. Even if you had Gold, Silver, or Crystal, you couldn't. This is why Fire Red and Leaf Green versions were made. In general, Pokemon in a gen II game may not be traded into a gen III game and vice versa.
Central Queensland Australia is the main Sapphire area in Australia. In the areas of Saphire and Emmerald.
You can't fly in space in Pokemon Emerald.
There isn't a Space Center in Pokemon Diamond and Pearl.
Emmerald: 2,121,492.4 karat Gold: 34,321.025 tons Silver: 9,161,550.9 tons Platinum: 1,369,638.4 tons
no space Pokemon can u find solrock and lunetune are the moon and the sun
What pokemon? jirachi
There is no way whatsoever to go into space on Pokemon R/S, it is simply a space center that is there as another building to go to.
No
you don't.
some Pokemon are like elygem are but if they come to the real world they would probably be from space.