What forces are present in space?
Romulans, Klingons, The Empire, Martians, The Thing, ...
Gravitational, Nuclear, Magnetic, and that's absent an object...
Gravity and electromagnetic forces are the two main ones.
The Martian Attack Fleet from : Mars Attacks !
1) gravity 2) electro magnetism 3) strong & 4) weak nuclear forces
All energy is in ''space'', which is defined as ''no matter (ie - energy)".
Electromagnetic, gravity, strong nuclear. Week nuclear, dark matter, and dark energy. "That we know of."
Tyranids, Space Marines, Chaos Space Marines, the Tau Empire, Orcs, Eldar, and Necrons.