Galaxy 
To dream about the galaxy signifies your imagination. It also indicates that you are taking in the big picture and are more in touch with the world and events around you.
Gala
To dream of a gala is an indication that an aspect of your waking life holds the key to success and celebration. To be invited to a gala signals good news that you have already heard but not registered. To dream of organizing a gala event suggests you have come up with a winning idea and would do well to follow through at this time.
Universe
To dream of the universe represents vast possibility.
To dream that you are master of the universe symbolizes your control over your own destiny.
- 1