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1. spaceaustralia.com › feature › triton-exposedTriton Exposed: Atmosphere to Core - Spaceaustralia

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   Aug 6, 2020 · Even though only 40% of Triton’s surface was imaged during Voyager 2’s flyby, it was immediately apparent that Triton is home to a variety of geological processes. Furthermore, the relatively fresh morphologies, low density of impact craters, and the observation of plumes, indicated that Triton is a geologically active small body.

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2. www.spaceaustralia.com › feature › out-cold-tritonOUT IN THE COLD: TRITON, A HABITABLE OCEAN WORLD?

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   Jun 5, 2020 · Furthermore, data acquired during Voyager 2’s flyby showed a tenuous but extended nitrogen atmosphere (with minor contents of methane, possibly highly localised), exerting a surface pressure as low as 14 micro-bar (equivalent to 1/70,000th of the Earth’s atmospheric pressure) and ranging in temperature between 38 K (-235.15℃) close to Triton’s surface, and 95 K (-178.15℃) in the ...

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3. Videos

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

     Aug 21, 2014

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     NASA’s Voyager 2 Enters Interstellar Space

     Dec 10, 2018

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     NASA's Voyager 2 Trajectory - 1977 to 2017

     Dec 10, 2018

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4. www.nature.com › articles › 344315a0Dynamics of Triton's atmosphere - Nature

   www.nature.com › articles › 344315a0

   Mar 22, 1990 · THE recent Voyager encounter established certain facts about Triton's atmosphere: the surface pressure is in the range 1.5–1.9 Pa (15–19 μbar)1; the surface temperature is 38±3K (ref. 2 ...

5. science.nasa.gov › neptune › neptune-moonsTriton - NASA Science

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   A 3D model of Triton, a moon of Neptune. Triton has a diameter of 1,680 miles (2,700 kilometers). Spacecraft images show the moon has a sparsely cratered surface with smooth volcanic plains, mounds and round pits formed by icy lava flows. Triton consists of a crust of frozen nitrogen over an icy mantle believed to cover a core of rock and metal.

6. en.wikipedia.org › wiki › Voyager_2Voyager 2 - Wikipedia

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   When Voyager 2 passed behind Saturn, viewed from Earth, it utilized its radio link to investigate Saturn's upper atmosphere, gathering data on both temperature and pressure. In the highest regions of the atmosphere, where the pressure was measured at 70 mbar (1.0 psi), [44] Voyager 2 recorded a temperature of 82 K (−191.2 °C; −312.1 °F).

7. science.nasa.gov › mission › voyagerFact Sheet - NASA Science

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   When Voyager flew within 5,000 kilometers (3,000 miles) of Neptune on August 25, 1989, the planet was the most distant member of the solar system from the Sun. (Pluto once again will become most distant in 1999.) Neptune orbits the Sun every 165 years. It is the smallest of our solar system's gas giants.

8. People also ask

   What temperature did Voyager 2 fly past Neptune & Triton?

   • NASA's Voyager 2―the only spacecraft to fly past Neptune and Triton―found surface temperatures of -391degrees Fahrenheit (-235 degrees Celsius). During its 1989 flyby, Voyager 2 also found Triton has active geysers, making it one of the few geologically active moons in our solar system.

   Triton - NASA Science

   science.nasa.gov/neptune/neptune-moons/triton/

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   Did Voyager study Neptune and Triton?

   • Voyager passed behind both Neptune and Triton, with instruments returning data about their atmospheres. The spacecraft also returned spectacular images of the two bodies backlit by the Sun. On its outbound journey, Voyager 2 continued to study Neptune until Oct. 2, 1989.

   30 Years Ago: Voyager 2 Explores Neptune - NASA

   www.nasa.gov/history/30-years-ago-voyager-2-explores-neptune/

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   Did Voyager 2 find Triton?

   • During its 1989 flyby, Voyager 2 also found Triton has active geysers, making it one of the few geologically active moons in our solar system. Triton is named after the son of Poseidon (the Greek god comparable to the Roman Neptune).

   Triton - NASA Science

   science.nasa.gov/neptune/neptune-moons/triton/

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   Did Voyager 2 detect ice on Triton?

   • Before Voyager 2’s encounter with the Neptunian system, ground-based observations using infrared telescopes had detected CH 4 (methane) and N 2 (molecular nitrogen) ices on the surface of Triton (Cruikshank and Silvaggio, 1979, Astrophys J 233, 1016-1020; Cruikshank et al., 1984, Icarus 58, 293-305).

   Triton Exposed: Atmosphere to Core - Spaceaustralia

   spaceaustralia.com/feature/triton-exposed-atmosphere-core

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   Does Voyager 2 have an icy surface?

   • Voyager 2’s observations exposed its icy surface, at equilibrium with a tenuous atmosphere, measuring a pressure of just 14 micro-bar (McKinnon and Kirk, 2014, In: Encyclopedia of the Solar System, pp. 861-881). Images showed a variety of morphologies consistent with recent geological activity.

   Triton Exposed: Atmosphere to Core - Spaceaustralia

   spaceaustralia.com/feature/triton-exposed-atmosphere-core

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   How close was Voyager 2 to Neptune?

   • Neptune’s atmosphere. group photo of Despina, Thalassa, and Naiad. On Aug. 25, passing about 3,408 miles above Neptune’s north pole, Voyager 2 made its closest approach to any planet since leaving Earth in 1977. This close encounter trajectory allowed Voyager 2 to pass about 25,000 miles from Triton about five hours later.

   30 Years Ago: Voyager 2 Explores Neptune - NASA

   www.nasa.gov/history/30-years-ago-voyager-2-explores-neptune/

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9. www.nasa.gov › history › 30-years-ago-voyager-230 Years Ago: Voyager 2 Explores Neptune - NASA

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   Aug 26, 2019 · With relatively few impact craters, Triton’s surface is believed to be young, having been remodeled by melting. Despite Triton’s frigid -392o F surface temperature, Voyager’s images revealed evidence of geysers spewing dark material into the moon’s tenuous atmosphere that deposited back onto the surface.