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26 Cards in this Set
- Front
- Back
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the most geologically active object in the solar system
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IO
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has an uncratered surface of oranges, yellows and blackish browns
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IO
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has active volcanoes
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IO
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has a thin, temporary atmosphere made up mainly of sulfur dioxide
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IO
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largest volcanoe on IO
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locki
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the source of IO's energy
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external-jupiter's gravity
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constantly tugged by the gravity of its nearest large neighbor europa
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IO
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the moons orbital speed varies from place to place as it revolves around the planet, bu its rate of rotation on its axiz remains constant
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IO
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cannot keep one face permantly turned toward jupiter
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IO
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rocks or wobbles slightly from side to side on its axis as it moves
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IO
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the large amount of heat generated withini this causes huge jets of gas and molten rock to quirt out of the surface
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IO
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has relatively few craters on its surface
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europa
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surface displays a vast network of lines crisscrossing birght, clear fileds of water ice
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europa
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theorized that it is covered by an ocean of liquid water whose surface layers are frozen
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europa
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the ice equivalent of lava flows on eearth-regions wehre water apparently "erupted" through the surface and flowed for many kilometers before solidyfying
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europa
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has a weak magnetic field that constantly changes strength and direction
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europa
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region that shows a smooth yet tangled surface resembling the huge ice floes that cover earths polar regions on europa
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conomara chaos
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the largest moon in the solar system
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ganymede
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has many impact craters on its surface, along with patterns of dark and light makrkings reminiscent of the highlands and maria on earths moon
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ganymede
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has a system of grooves and ridges that may have resulted from crustal tectonic motion
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ganymede
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more heavily cratered than ganymede and has few fault lines
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callisto
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most obvious feature is a huge series of concentric ridges srurrounding 2 large basins
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callisto
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internal differentiation indicates that the moon was largely molten at some point
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ganymede
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has a eak magnetic field suggesting that this moon may have a liquiod or slushy water below its surface
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ganymede
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the largest dark region visible on ganymede
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gallieleo regio
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the large series of concentric ridges visible on callisto is called
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valhalla
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