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Our Glaciers: Then and Now activity kit helps you see the changes taking place in glaciers around the world. See all our activity kits and classroom activities.
This is an image of Mt. St. Helens, in Washington, USA.
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Image from: USGS, courtesy of Volcano World

Do Other Planets have a surface in Motion?

Let's look at the evidence:

What about Jupiter, Saturn, Uranus, Neptune, Titan, or Pluto? These planets or moons either have no surface, or the surface cannot be seen from the Earth.


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Does Ganymede Have a Surface in Motion?

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