They derive thermoelectric energy from a temperature gradient by basking half their body in sunlight, keeping the other half in shadow and exposed to interstellar vacuum.

To reach it we had to traverse sixth meters of the interstellar vacuum.

He donned the gauntlets, which were designed to protect hands from interstellar vacuum, and mounted the Alicorn with a boost from someone.

Shining down through the interstellar vacuum, it cast a network of sharp black shadows across all the thousand looping strands that made up, the city.

They would die, either incinerated by the residual radiation left behind by the supernova ... or, if the Bela-Neutron devices absorbed enough of the energy, frozen in the interstellar vacuum.

Come to think of it, the interstellar vacuum would glow noticeably blue, like our sky during the day.

They swept dizzily into the chromospheres of suns, out into the cold dark of interstellar vacuum, through tenuous gas clouds and past orbiting planets.

The water had not evaporated, not from tanks made to hold water for thirty years against interstellar vacuum.

Then there is something else-a field of force, perhaps, which enables it to hold a little cloud of air around it, even out in interstellar vacuum.

From interstellar vacuum?