During an interview, Tricia Helier, who is semi nude in this series, was asked whether she had any issues performing sex and nude scenes. She said "Sex is still taboo in America. You can't show a naked body on TV but you can show heads being blown off. We came into the world [nude]. I don't think we should all walk around naked all the time--but I don't see why it has such a hush-hush element to it."
Christa's last name is Valis. Valis is the name of one of Philip K. Dick's last novels, the first of an unfinished trilogy, and stands for Vast Active Living Intelligence System, Dick's gnostic vision of one aspect of God.
The base of operations is actually the Olympic Stadium in Montreal.
A major character is named "James Toback" and is frequently called by his full name rather than first name like the other characters; presumably this is the series writers' in-joke homage to writer/director James Toback.
If a ship were to actually travel from Earth to Proxima Centauri in 100 years, the ship would have to travel at an average speed of nearly 46 million kilometers (28.5 million miles) per hour.