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Ch 11 Jupiter Part 3
Vocabulary
Term | Definition |
---|---|
Differentiation | formation of distinct compositional layers in an object based on material density |
Io | most volcanically active object in the solar system |
Sulfur | white/yellow chemical element when solid, but can also be orange, red, or black when heated |
Volcanism | eruption of molten material onto the surface of a solid-surface planet or moon |
Tidal Force | variation in one body's gravitational force from place to place across another body |
Tidal Friction | strain/heating in a body undergoing variations in gravitational attraction as it orbits |
Volcanic Plume | mixture of volcanic particles and gases produced by eruptions |
Plasma Torus | ringed-shaped cloud of superheated gas around a planet where the atoms are ionized |
Ionization | when an atom or molecule has lost one or more of its electrons |
Europa | has an ocean covered by bright, cracked ice |
Subsurface Ocean | liquid water under ice |
Ganymede | largest moon in the solar system |
Callisto | very old surface littered with impact craters |
Radiation Darkening | solar energy slowly causes a dark hydrocarbon layer to build up on an icy surface |
Planetary Ring System | material organized into thin, flat rings encircling a giant planet's equator |