Nothing had entered the atmosphere, no matter what the source.

At a height of 75 miles, it started entering the atmosphere.

Consider the case of The astronaut entered the atmosphere again.

Several bits of cool space music entered the atmosphere this week.

It did not enter the atmosphere and posed no threat to staff or the environment, he said.

I estimate it will enter the planet's atmosphere within the next two minutes.

Only a few human fighters survived long enough to enter the atmosphere.

At full impulse, it took them less than five minutes to enter the planet's atmosphere.

At the end of six hours, Ma-kanee entered the atmosphere.

He changed the course of his ship to make it enter the denser atmosphere.