In the wake of the high-altitude explosions was a dark cloud forming about five times higher than atmospheric envelope.

I have discerned a haze about the planet, irrespective of its atmospheric envelope.

There was always some buffeting as they entered the atmospheric envelope of Botany.

Its atmospheric envelope of already incandescent gas shall heat and swell.

The spores dropped through the atmospheric envelope of Pern.

Its atmospheric envelope of already incandescent gas heated, swelling as they watched.

The atmospheric envelope was overcast with veils of clouds.

Their naked peaks rose out of the atmospheric envelope.

If they'd only used the drives inside an atmospheric envelope, the detectors wouldn't have picked that up.

"This swarm has a long way to go yet to reach the atmospheric envelope of the planet," Aivas continued.