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Aug 6, 2020 · 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).
five-mile-tall, geyser-like plume of dark material has been discovered erupting from the surface of Neptune's moon Triton in one of the images returned last month to the Jet Propulsion Laboratory, Pasadena, Calif., by NASA's Voyager 2 spacecraft.
- Jet Propulsion Laboratory
Feb 27, 2023 · When Voyager 2 flew past Triton 143 years after its discovery, it revealed very few craters, indicating that Triton’s surface is relatively young: perhaps 50 million years old, or possibly even less than 10 million years old.
Voyager photographed two-thirds of Neptune’s largest moon Triton, revealing the coldest known planetary body in the solar system and a nitrogen ice “volcano” on its surface. Spectacular images of its southern hemisphere showed a strange, pitted, cantaloupe-type terrain.
- United States of America (USA)
- 1,592 pounds (721.9 kilograms)
- Voyager 2
Aug 25, 2009 · This simulated voyage over the surface of Neptune's large moon Triton was produced using topographic maps derived from images acquired by NASA's Voyager spacecraft during its August 1989 flyby, 20 years ago this week. Triton was the last solid object visited by the Voyager 2 spacecraft on its epic 10-year tour of the outer solar system.
- PIA12187
Aug 26, 2019 · 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.
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What did Voyager 2 discover?
High-resolution view of Triton's surface from Voyager 2 On its closest approach to Triton on August 25, 1989, Voyager snapped several high-resolution mosaics. Triton is considered to be a Kuiper belt object that was captured into Neptune orbit, an event that would have heated it and altered its surface through cryovolcanism.
