View Full Version : Mars Express Instrument Working Again

2005-Nov-02, 05:42 PM
SUMMARY: When Mars Express' Planetary Fourier Spectrometer (PFS) malfunctioned a few months ago, mission controllers weren't sure they could get it working again. Well, they were wrong. It turns out that the pendulum motor, which drives various parts of the PFS had failed, and they were able to recover by using a back-up motor. PFS is a very sensitive instrument capable of detecting minute traces of various gasses in the Martian atmosphere, including methane which could indicate current life on the Red Planet.

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