Landau, Elizabeth R.; Medina, Enrique; Angrum, Andrea. "Frequently Asked Questions". Voyager. Jet Propulsion Laboratory (JPL) / National Aeronautics and Space Administration (NASA). Diarkibkan daripada yang asal pada 2011-07-21. Dicapai pada 8 July 2015. "Voyager 1 could have been aimed on to Pluto, but exploration of Titan and the rings of Saturn was a primary scientific objective. This caused the trajectory to be diverted upward out of the ecliptic plane such that no further planetary encounters were possible for Voyager 1."
Landau, Elizabeth R.; Medina, Enrique; Angrum, Andrea. "Frequently Asked Questions". Voyager. Jet Propulsion Laboratory (JPL) / National Aeronautics and Space Administration (NASA). Diarkibkan daripada yang asal pada 2011-07-21. Dicapai pada 8 July 2015. "Voyager 1 could have been aimed on to Pluto, but exploration of Titan and the rings of Saturn was a primary scientific objective. This caused the trajectory to be diverted upward out of the ecliptic plane such that no further planetary encounters were possible for Voyager 1."
Landau, Elizabeth R.; Medina, Enrique; Angrum, Andrea. "Frequently Asked Questions". Voyager. Jet Propulsion Laboratory (JPL) / National Aeronautics and Space Administration (NASA). Diarkibkan daripada yang asal pada 2011-07-21. Dicapai pada 8 July 2015. "Voyager 1 could have been aimed on to Pluto, but exploration of Titan and the rings of Saturn was a primary scientific objective. This caused the trajectory to be diverted upward out of the ecliptic plane such that no further planetary encounters were possible for Voyager 1."
Landau, Elizabeth R.; Medina, Enrique; Angrum, Andrea. "Frequently Asked Questions". Voyager. Jet Propulsion Laboratory (JPL) / National Aeronautics and Space Administration (NASA). Diarkibkan daripada yang asal pada 2011-07-21. Dicapai pada 8 July 2015. "Voyager 1 could have been aimed on to Pluto, but exploration of Titan and the rings of Saturn was a primary scientific objective. This caused the trajectory to be diverted upward out of the ecliptic plane such that no further planetary encounters were possible for Voyager 1."