An X-wing fighter flies like an airplane. If you look at the physics, it's actually quite impossible.
Real space movies have to involve zero gravity and a world without up or down.
You want the mystical understanding of the cosmos to feel compatible with a scientific understanding of the cosmos, like it extends our understanding rather than unwriting it.
You want magic to feel real.
The multiverse as a real physical construct within physics overlapping with a more mystical understanding of many possible worlds - the notion of there being a root down at the quantum level between intention and reality, between consciousness and existence - it's not a matter of trying to explain the mystery of magic away with a pat mechanism of a pseudoscience, it's just a matter of trying to ground it in a domain.
For a successful writer, the secret is to have many irons in the fire. Write the next thing.
Once you've written a good script, it will get made or not get made, according to variables you cannot control, like stars getting interested, and the superstitions in Hollywood rising or falling around what is over and done with versus what's in.
Space and spacecraft and zero gravity and so forth are very difficult to render.
