It appears to have a clear quality when underwater, but that might be a result of the gas envelope which surrounds it.

Basically, our task was to check all the connectors that held the gondola to the gas envelope above us.

But the charred stains on the cermet skin of the gas envelope were still there.

I thought about the charring along the tail end of the gas envelope.

We've developed a leak in the gas envelope.

The gas envelope was cracked like an overcooked egg.

The broad expanse of Lucifer's gas envelope still seemed an awfully long way off.

"The pumps keep the gas envelope filled with outside air so we keep descending."

"There's more of them crisscrossed over the gas envelope," I said.

The gas envelope and the engines are very well engineered, as they should be if we are to return when our mission is complete.