Mars Observer

The Mars Observer spacecraft, also known as the Mars Geoscience/Climatology Orbiter, was a 1,018-kilogram (2,244 lb) robotic space probe launched by NASA on September 25, 1992 to study the Martian surface, atmosphere, climate and magnetic field. During the interplanetary cruise phase, communication with the spacecraft was lost on August 21, 1993, 3 days prior to orbital insertion. Attempts to re-establish communication with the spacecraft were unsuccessful.

Read more about Mars Observer:  Mission Profile, Communications Loss

Famous quotes containing the words mars and/or observer:

    The sword’s a cross; thereon He died:
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    I had such a wonderful feeling last night, walking beneath the dark sky while cannon boomed on my right and guns on my left ... the feeling that I could change the world only by being there.
    Viorica Butnariu, Rumanian student at Bucharest University. letter, Dec. 23, 1989, to American friend. Observer (London, Dec. 31, 1989)