upper atmosphere

Over time, He in the upper atmosphere is lost into space.

It seemed to be in the upper atmosphere, way above the clouds.

They went there, he said, to study the chemistry of the upper atmosphere.

"You will need new ones for the upper atmosphere and - let's see, what else?"

Life on this planet really exists in the upper atmosphere.

"The biggest chunks will hit the upper atmosphere soon, and then it'll happen pretty quickly."

These can destroy ozone when they reach the upper atmosphere.

Furthermore, the range of the effect will not extend beyond the upper atmosphere.

The shuttle began to shake as it shot through the upper atmosphere.

The ship also conducted upper atmosphere and outer space research.

He said it did not come close to the earth's surface, but hovered in the upper atmosphere.

The chemicals are believed to break down ozone in the upper atmosphere.

It put 16 million tonnes of material into the upper atmosphere.

This reduces the amount of ozone in the upper atmosphere.

In the first case, the sun has just set but still illuminates the upper atmosphere directly.

Pockets of cold air from Canada hung around the upper atmosphere, however.

The craft plunged into the upper atmosphere at a speed of 12,000 miles an hour.

We need one of these roller coasters in the upper atmosphere.

There was some concern about the effects of flight into the upper atmosphere on living creatures.

Ozone is a gas that occurs both in the Earth's upper atmosphere and at ground level.

He's already in the upper atmosphere, and the fusion drive is on."

The chemicals take years to waft up to the upper atmosphere.

"The thunderstorms carry energy from below into the upper atmosphere, right?"

Its presence indicates a large amount of moisture in the upper atmosphere.

Other purposes include use as a platform for experiments in the upper atmosphere.