In a thin helium atmosphere inside a metal tank, a graphite rod is placed near a graphite disk.

The stars have a helium rich atmosphere.

The device was being kept in a sealed glove box in a helium atmosphere.

Vocal human language came out the other end, thin and squeaky in the helium atmosphere.

Barnes explained that certain equipment didn't do well in the helium atmosphere, including TV tubes.

It's because the helium atmosphere makes body-heat control very volatile.

We expected that very old neutron stars should have hydrogen or helium atmospheres.

The helium atmosphere has almost completely dissipated, even there.

The components are placed in a tantalum crucible and fired in a helium atmosphere.

Its low density can probably be attributed to a large hydrogen and helium atmosphere.