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The Spring 2011 issue of The Earth Scientist is focused on modernizing seismology education. Thanks to IRIS, you can download this issue for free as a pdf. Print copies are available in our online store.
This is an image of Triton that has been image processed.
Click on image for full size
NASA

Surface of Triton

Image processing can produce a view such as one might see if you were present on the surface of Triton.

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Science, Evolution, and Creationism

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

Surface of Triton

This beautiful image of Triton reveals many interesting features of its surface. The surface of Triton is halfway between Ganymede's and Europa's (two of Jupiter's moons). Ancient portions of the surface...more

Triton

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

Triton Composition

When the Voyager mission flew by Triton, it took the spectra of the surface. The spectra matched that of ice and also several different kinds of snow (crushed ice). The Voyager spacecraft could not measure...more

Inside Triton

The diagram to the left shows a drawing of the possible interior of Triton. The composition of Triton is mostly ice, therefore there is probably a small core of some rocky material buried inside, overlain...more

The Poles of Triton

Triton is the largest moon of Neptune. It is a very unusual moon. The poles of Triton are especially interesting. Triton has a polar ice cap at the South Pole. Earth, of course, has ice caps at its poles...more

A Look at what Neptune's Atmosphere is Made of

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

The Origin of an Atmosphere

There are four ideas for the origin of a planetary atmosphere. Those four ideas are: 1. that the planet-elements of which a planet was made released the atmosphere, 2. that the atmosphere was drawn to...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA