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1. www.jpl.nasa.gov › news › voyager-2-discoversVoyager 2 Discovers Eruption on Triton | NASA Jet Propulsion ...

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   The new finding -- Voyager's last hurrah in its journey past the planets -- augments Triton's emerging reputation as the most perplexing of all the dozens of moons Voyager 1 and 2 have explored. Voyager's camera captured the eruption shooting dark particles high into Triton's thin atmosphere on August 24 from distance of 99,920 kilometers (about 62,000 miles).

   • Author: Jet Propulsion Laboratory

2. astrobites.org › 2021/12/17 › triton-plumesTick, tick, plume! Explaining eruptions on Neptune’s largest ...

   astrobites.org › 2021/12/17 › triton-plumes

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   • The Plumes of Triton
   • Check Your Sources
   • How to Solve The Mystery

   At present, only a few of the moons in our solar system are confirmed to have active geological processes: Io with its violent volcanism, Titan with lakes and rivers of liquid methane, Enceladus with its marvelous geysers (maybe Europa too!), and Triton with its mysterious dark plumes. Triton is also interesting for its unusual orbit (backwards & t...

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   The Voyager 2 flyby was only able to image about 40% of Triton’s surface and had little power to determine surface compositions. Still, scientists discovered a distinct change in the texture of terrain at southern latitudes (referred to as the southern hemisphere terrain) that could be a polar nitrogen ice cap. Because the dark plumes and fans were...

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   The authors go on to develop five tests which could prove which (if any) of the three hypotheses is correct based on data from an as-of-yet unplanned future flyby mission. For example, the composition of the fans/plumes could tell you whether they’re sourced from melting of nitrogen ice (H1) or sourced from an underlying liquid water repository (H2...

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3. Videos

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     NASA’s Voyager 2 Enters Interstellar Space

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     Voyager 2's 'Hair-Raising' Fly-By Of Triton Animated

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     Voyager 2 Encounters Neptune and Triton 1989 NASA Voyager II film

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4. photojournal.jpl.nasa.gov › spacecraft › Voyager+2Images taken by the Voyager 2 Spacecraft - NASA

   photojournal.jpl.nasa.gov › spacecraft › Voyager+2

   Several Signs Pointing to Interstellar Space. Full Resolution: TIFF (545.3 kB) JPEG (170.9 kB) 2018-12-10. Voyager Interstellar Mission. 1920x1080x3. PIA22922: Changes in the Plasma Environment in Three Directions. Full Resolution: TIFF (1.391 MB) JPEG (134.6 kB) 2018-12-10.

   My List	Addition Date	Target	Mission
   2014-08-21	Triton	Voyager	VG ISS - Narrow Angle
   2009-08-25	Triton	Voyager	VG ISS - Narrow Angle
   2005-08-03	Dione	Voyager	VG ISS - Narrow Angle
   2004-12-30	Iapetus	Cassini-Huygens Voyager	VG ISS - Narrow Angle

   See full list on photojournal.jpl.nasa.gov

5. www.newscientist.com › article › mg12416892-000Science: Voyager spaceprobe discovers geyser on Triton

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   Nov 4, 1989 · The spaceprobe Voyager 2 photographed the eruption from a distance of 100,000 kilometres on 24 August. Its images show dark particles that have been hoisted high into Triton's thin atmosphere (see ...

   • Author: Martin Ratcliffe

6. www.inverse.com › science › will-triton-finallyOne unexpected Solar System moon could be key to finding ...

   www.inverse.com › science › will-triton-finally

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   Feb 20, 2024 · As stated, Voyager 2 is the only spacecraft to have visited Triton, but another NASA mission known as TRIDENT was selected as a finalist in 2020 to explore Triton up close for the first time since ...

7. phys.org › news › 2022-11-tritonWill Triton finally answer the question 'are we alone?'

   phys.org › news › 2022-11-triton

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   Nov 14, 2022 · As stated, Voyager 2 is the only spacecraft to have visited Triton, but another NASA mission known as TRIDENT was selected as a finalist in 2020 to explore Triton up close for the first time since ...

8. People also ask

   Will Voyager 2 visit Triton?

   • As stated, Voyager 2 is the only spacecraft to have visited Triton, but another NASA mission known as TRIDENT was selected as a finalist in 2020 to explore Triton up close for the first time since 1989, but was ultimately passed over in the final selection round by NASA in 2021.

   Will Triton finally answer the question 'are we alone?' - Phys.org

   phys.org/news/2022-11-triton.html

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   What did Voyager 2 find at Triton's orbital distance?

   • Voyager 2 observed the bulk plasma density, temperature, and composition throughout its encounter with Neptune, and found the plasma at Triton's orbital distance to be quite diffuse, 0.003 particles cm −3, with temperatures of 100 eV, and composed of N + and H + in roughly equal parts (Sittler & Hartle 1996).

   Triton: Fascinating Moon, Likely Ocean World, Compelling Destination

   iopscience.iop.org/article/10.3847/PSJ/abffd2

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   Did Voyager fly by Triton?

   • Voyager flew by Triton at an altitude of ∼40,000 km. Although global coverage of the illuminated terrain was achieved over Triton's 5.877 day rotation period, only the images of the Neptune-facing side south of ∼40°N were acquired with a spatial resolution of 1–3 km/line pair and allow geological interpretation.

   Triton: Fascinating Moon, Likely Ocean World, Compelling Destination

   iopscience.iop.org/article/10.3847/PSJ/abffd2

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   Is Triton a solar-driven eruption?

   • Interestingly, the mass flux of Triton's plumes is more similar to Enceladus than Mars. These comparisons, of Triton to solar-driven eruptions on Mars and Enceladus' cryovolcanic plume, support a re-examination of the solar-driven and endogenic hypotheses (Hansen & Kirk 2015).

   Triton: Fascinating Moon, Likely Ocean World, Compelling Destination

   iopscience.iop.org/article/10.3847/PSJ/abffd2

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   Does the Voyager flyby affect Triton's atmospheric pressure?

   • Since the Voyager flyby in 1989 the subsolar point has passed through the southern summer solstice (at 50°S in 2001) and is now approaching the equator. Changes in Triton's atmospheric pressure since the Voyager flyby have been detected in stellar occultations observed from Earth (e.g., Elliot et al. 2000).

   Triton: Fascinating Moon, Likely Ocean World, Compelling Destination

   iopscience.iop.org/article/10.3847/PSJ/abffd2

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   Is Triton a volcano?

   • That has profound implications, both in our solar system and at exoplanets.” Due to its geysers, which Voyager 2 identified as dark streaks, Triton is only the third known planetary body in the Solar System to be volcanically active, aside from Earth and Jupiter’s innermost Galilean moon, Io.

   One unexpected Solar System moon could be key to finding alien life

   www.inverse.com/science/will-triton-finally-answer-are-we-alone

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9. iopscience.iop.org › article › 10Triton: Fascinating Moon, Likely Ocean World, Compelling ...

   iopscience.iop.org › article › 10

   Jul 27, 2021 · Neptune's moon Triton has been explored by just one spacecraft, Voyager 2, in 1989. Images revealed a unique geologically young surface with landforms not found anywhere else in the solar system (Smith et al. 1989). Plumes erupt from a surface with a temperature of just 38K (Conrath et al. 1989).