earthless

Without earth or soil.

"It is," he says, "an earthless country, bordered by immense ice-islands, which are continually separating in the summer...

...the Christians, having possession of that worthless, rocky, barren, earthless spot of land, called in Europe the Holy Land...

Unearthly; not of the Earth.

...as the superstitious terrors of the sailors pointed towards this earthless visitant...

Without the planet Earth.

an Earthless universe