Probably this refers to a galaxy acting as a gravitational lense - i.e., changing the direction of light behind it.
A key to the Galatic world. In the Galatic world there are alot of dumb Galatic people and they are all named MAX STABS
It is not in the Galactic Base, it is on the other side of Veilstone City after you walk out of the forest and walk straight.
You mean the galatic key? go to the galatic warehouse.
In Vielstone city
By defeating them in a Pokemon battle.
Monday
He is, as the galatic people call him, "the"
The prefixes for "galactic" are "galacto-" or "galaxo-".
Veilstone City at the very top.
You can get them of cheats or from the galatic boss Cyrus when you beet him
he is in the room that you fight team galatic
In Veilstone City.