Researchers from NASA discovered atomic oxygen enclosing Mars using the Stratospheric Observatory for Infrared Astronomy (SOFIA).
SOFIA confirmed that have discovered small amount of atomic oxygen on Mars.
SOFIA provides both capabilities.

The measurements of Mars were measured by SOFIA airplane while flying at an altitude between 37,000 and 45,000 feet.
Oxygen is formed when two atoms join each other to form O2.
However, Atomic oxygen is just a single oxygen atom.

When atomic oxygen was last discovered in the atmosphere of the mars due to the Viking and Mariner missions.
