Several proposals call for
injecting microscopic particles, called aerosols, into the stratosphere, the quiet region of the atmosphere above the troposphere about 18 kilometers up from the equator.
Not exact matches
As a small spaceship landing on the moon, the
microscopic particles land on the surface of the bacteria where they
inject their deadly genetic material.
It involves
injecting gas into the stratosphere, forming
microscopic particles which reflect some of the sun's energy to limit rising sea surface temperatures.