This week we would like to
introduce you to a unique project currently in the works under the
supervision of ESA. Called the Low Earth Orbit Facility (LEOX), this
simulator utilizes a laser to generate a variety of oxygen that is
normally encountered only in low orbits - special oxygen known to eat
away at satellite surfaces.
Atomic oxygen made its debut in the
early 1980s when engineers were surprised to discovered early Space
Shuttles' thermal blankets had severely eroded. These special oxygen
molecules are the result of standard oxygen molecules being broken apart
by powerful ultraviolet radiation from the Sun.
To create
atomic oxygen, LEOX injects purified molecular oxygen into a vacuum
chamber with a pulsing laser beam focused upon it.With each firing of
the laser, the oxygen is converted into hot plasma which is channelled
along a conical nozzle. Afterwards, it dissociates into a highly
energetic beam of atomic oxygen.
In the end, LEOX will be
another helpful tool for the agency to test future materials in
low-orbiting missions - such as those orbiting close to the top of
Earth's atmosphere, and potentially missions to other worlds.
Read more about this fascinating story at: http://m.esa.int/Our_Activities/Space_Engineering_Technology/Atomic_oxygen_generator_simulates_fire_in_the_sky
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