This is a picture of Nereid.
Image from: NASA
Nereid was discovered by G. Kuiper in 1949. Of the 8 moons it is the farthest from Neptune, with a standoff distance of 5,513,400 km. Nereid is one of the small moons
, and is about as long as the distance from Los Angeles to San Francisco with a diameter of 340 km (226 mi). As a small moon, the composition
features are unknown.
Shown in the picture above is Nereid. This is the best picture we have of this small moon!
Shop Windows to the Universe Science Store!
Our online store
includes issues of NESTA's quarterly journal, The Earth Scientist
, full of classroom activities on different topics in Earth and space science, as well as books
on science education!
You might also be interested in:
How did life evolve on Earth? The answer to this question can help us understand our past and prepare for our future. Although evolution provides credible and reliable answers, polls show that many people turn away from science, seeking other explanations with which they are more comfortable....more
Neptune has // Call the moon count function defined in the document head print_moon_count('neptune'); moons. As is the case with all of the gas giant planets in our Solar System, it also has a series of...more
Triton was discovered by W. Lassell in 1846. Of the 8 moons, it is the 2nd farthest from Neptune, with a standoff distance of 354,800 km. Triton may be one of the largest of the icy moons, is comparable...more
Composition is generally determined by detailed measurements of the spectra of an object. Spectral measurements of the surface of Triton reveal the presence not only of ice but of several different kinds...more
The diagram to the left shows a cutaway of the possible interior structure of Triton. The composition of Triton is mostly ice, therefore there is probably a small core of some rocky material buried inside,...more
This gorgeous image of Triton reveals many interesting features of its surface. The surface of Triton is halfway between that of Ganymede and that of Europa, of the Galilean satellites. There are portions...more
Triton is by far the largest moon of Neptune, and is one of the most unusual large moons in the Solar System. The poles of Triton are especially interesting. Triton has a frozen polar cap with ice geysers....more
The atmosphere of Neptune is very similar to that of Uranus, and unlike that of Saturn and Jupiter. On Jupiter and Saturn, the atmosphere is mostly composed of the simple molecules hydrogen and helium....more