by Staff Writers
Pasadena CA (JPL) Nov 15, 2011
NASA's Voyager 2 has successfully switched to the backup set of thrusters that controls the roll of the spacecraft.
Deep Space Network personnel sent commands to the spacecraft to make the change on Nov. 4 and received confirmation that the switch has been made.
Voyager 1 and Voyager 2 are each equipped with six sets, or pairs, of thrusters to control the pitch, yaw and roll motions of the spacecraft.
These include three pairs of primary thrusters and three backup, or redundant, pairs. Both spacecraft are now using all three sets of their backup thrusters.
Voyager 2 is currently located about 9 billion miles (14 billion kilometers) from Earth in the heliosheath - the outermost layer of the heliosphere where the solar wind, which streams out from the sun, is slowed by the pressure of interstellar gas.
The Voyagers were built by NASA's Jet Propulsion Laboratory in Pasadena, Calif., which continues to operate both spacecraft.
JPL is a division of the California Institute of Technology in Pasadena.
The Voyager missions are a part of the NASA Heliophysics System Observatory, sponsored by the Heliophysics Division of the Science Mission Directorate. For more information about the
Voyager at NASA
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Voyager 2 to Switch to Backup Thruster Set
Pasadena CA (JPL) Nov 07, 2011
NASA's Deep Space Network personnel sent commands to the Voyager 2 spacecraft Nov. 4 to switch to the backup set of thrusters that controls the roll of the spacecraft. Confirmation was received that the spacecraft accepted the commands. The change will allow the 34-year-old spacecraft to reduce the amount of power it requires to operate and use previously unused thrusters as it continues i ... read more
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