To dream of outer space represents the unknown. You are experiencing new situations, new feelings, and new ideas. Your life and mind are going where they have never gone before.
To dream about getting ready to go into outer space represents your preparation or expectation for an unusual experience. Getting ready to do something or experience something in your life that you have never experienced before.
To dream of being lost in space may reflect feelings of being immersed in highly unusual problems that you can't do anything about. Weird situations that you have no idea how to begin addressing. Feeling trapped in a situation you have never experienced before.
Example: A man dreamed of his father pointing into space. In waking life he just decided to enter therapy for very first time in his life. His father pointing into space reflected his conscience making the decision to do something he's never done before.
Example 2: A man dreamed of being lost in space. In waking life he died 3 weeks later. The dream may have been reflecting highly unusual health problems or feelings he was experiencing related to imminent organ failure as his body slowly deteriorated beyond it's ability to function anymore.
Example 3: A young boy dreamed of feeling endangered while in outer space. In waking life his father had gone on a business trip and he felt stupid and lost not having his father around to help him with problem or fears he had.
Example 4: A young boy dreamed of being lost in space. In waking life his father had been murdered.