Left: Mars Pathfinder Sojourner rover showing Lewis' Wheel Abrasion Experiment
on a special section of the center wheel. This experiment measured
abrasion to analyze the consistency of the Martian soil. Two other
Lewis experiments were conducted on the Sojourner rover:
electrostatic charging experiments,
which measured the accumulation of static charge, and the
Materials Adherence Experiment,
which measured dust accumulation to assess its potential interference
on solar panels. In addition, Lewis helped test the air-bag landing
system for the Mars Pathfinder, modeled solar energy on Mars to
determine solar panel requirements, and provided tungsten points
for removing potentially damaging electrostatic charge from the
rover. Find out more about our involvement
in the Mars Pathfinder mission.
Top right: Joint Strike Fighter model installed in Lewis' 8- by 6-Foot Supersonic Wind Tunnel.
Bottom right: Astronaut crew training performed onboard Lewis' DC-9 aircraft in preparation for the Microgravity Science Laboratory missions flown on the Space Shuttle Columbia in April and July of 1997.
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