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(From AScribe)
PASADENA, Calif. -- The European Space Agency's Mars Express orbiter will soon deploy its radar instrument for the first time. The instrument is designed to look below the surface of Mars for different layers of material, most notably water.
Once the deployment is successful, the Mars Advanced Radar for Subsurface and Ionosphere Sounding (Marsis) instrument will complement the orbiter's study of the planet's atmosphere and surface. The instrument was funded by NASA and the Italian Space Agency and developed by the University of Rome, Italy, in partnership with NASA's Jet Propulsion Laboratory, Pasadena, Calif.
The instrument's co-principal investigator, Dr. Jeffrey Plaut of JPL said, "We look forward to the start of the Marsis experiment, and to becoming full partners in the mission of discovery that is Mars Express. The radar gives us two ways to explore the fate of the water that once flowed on the surface of Mars. We will probe beneath the surface for evidence of frozen or liquid reservoirs, and we will study the outer fringes of Mars' atmosphere, where the planet may have lost its water to space."
The deployment of the three radar booms will take place in three phases, in a window spanning from May 2 to 12. These operations will be initiated and monitored from the European Space Agency's European Space Operations Centre in Darmstadt, Germany. Each boom will be deployed separately, with the two 20-meter-long (66-foot-long) dipole booms to be unfurled first and the 7-meter (23-foot) monopole boom to follow a few days later.
Before each deployment, the ...