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Voyager 2 completes switch to backup thruster set

Date:
November 14, 2011
Source:
NASA/Jet Propulsion Laboratory
Summary:
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 Nov. 14 that the switch has been made.

Artist's concept of NASA's Voyager spacecraft.
Credit: NASA/JPL-Caltech

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 Nov. 14 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 spacecraft, visit: http://www.nasa.gov/voyager .


Story Source:

The above story is based on materials provided by NASA/Jet Propulsion Laboratory. Note: Materials may be edited for content and length.


Cite This Page:

NASA/Jet Propulsion Laboratory. "Voyager 2 completes switch to backup thruster set." ScienceDaily. ScienceDaily, 14 November 2011. <www.sciencedaily.com/releases/2011/11/111114151131.htm>.
NASA/Jet Propulsion Laboratory. (2011, November 14). Voyager 2 completes switch to backup thruster set. ScienceDaily. Retrieved April 20, 2014 from www.sciencedaily.com/releases/2011/11/111114151131.htm
NASA/Jet Propulsion Laboratory. "Voyager 2 completes switch to backup thruster set." ScienceDaily. www.sciencedaily.com/releases/2011/11/111114151131.htm (accessed April 20, 2014).

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