Radiation shielding, too, was a constant worry beyond Earth's protective atmosphere.
Without its protective atmosphere, temperatures dropped and all the water was blasted off, leaving a cold barren planet.
Application of these metals requires a protective atmosphere or coating.
The cellulose that burns during welding forms a very good protective gaseous atmosphere.
If you're orbiting above Earth's protective atmosphere, though, you need more sophisticated technology to protect your eyes and skin from the sun.
The lower temperature allows oil quenching, or even gas quenching with a protective atmosphere.
Aside from warming the house, this was also believed to repel evil spirits by creating a protective atmosphere of warmth.
These types of solar radiation are all part of the spectrum of light that makes it through the Earth's protective atmosphere.
Outside of a protective atmosphere and magnetic field, there are few obstacles to the passage through space of energetic subatomic particles known as cosmic rays.
"The salon of the Stettheimers was a very protective atmosphere for these kinds of relationships."