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37 Cards in this Set
- Front
- Back
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universe
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matter and space which we are surrounded
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cosmology
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study of the universe
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terrestrial planets
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rock and metallic base
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gas-giant
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"Jovian" gas and ice base
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asteroids
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belt of chunks of ice and/or metal between Mars and Jupiter
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comets
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evaporating ice shards which leave a trails
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stars
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huge balls of fire
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galaxies
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stars held together by gravity
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waves
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disturbances moving thru space caused by periodic motions
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Wavelength
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distance between successive waves
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frequency
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given time interval
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red shift/blue shift
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light moving forward/away causing shift in color.
blue/towards red/away |
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Expanding Universe Theory
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universe is always growing
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big bang
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explosion which caused the universe formation
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nebulae
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patchy clouds of atoms and molecules
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protostar
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glowing ball of gas
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super nova
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star explosion
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stellar wind
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atoms emitted from a star
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nebula theory
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objects and solar system form swirling nebula.
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protoplanetary disk
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source of planets
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bathymetry
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variation in ocean elevation
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geothermal gradient
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rate of change of temp
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Moho
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the crust mantle boundry
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plaeomagnetism
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record of earths magnetic field
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paleopole
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supposed ancient north pole
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active margins
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plate margins
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passive margins
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non solid plate margins
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black smokers
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oceanic sea chimneys that emit black mineral water
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Wadati-Benioff zone
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belt of earthquakes in a downgrading plate
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triple junctions
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where three plates meet
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hot spots
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active volcanoes
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mantle plume
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column of very hot rock rising up through mantle
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hot spot track
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chain of extinct volcanoes
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ridge-push force
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mid-ocean ridges that lie at a higher elevation than the adjacent abyssal plains of the ocean
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slab-pull force
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a force that sub-ducts
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relative plate velocity
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plate movement in respect to others
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absolute plate velocity
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plate measurements relative to a solid point
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