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Words IDK
these are words that idk for earth science
Term | Definition |
---|---|
theory | a proposed explanation that is still conjectural and subject to experimentation |
law | a mathematical rule |
plasma | the liquid part of blood |
guyot | a flat-topped seamount |
hachure | one of a series of short parallel lines drawn on a map to indicate topographic relief |
island arc | a curved chain of islands |
peat | a highly organic material found in marshy or damp regions, composed of partially decayed vegetable matter |
lignite | a soft coal, usually dark brown, often having a distinct wood-like texture, and intermediate in density |
bituminous | any of various natural substances |
anthracite | a mineral coal containing little of the volatile hydrocarbons and burning almost without flame; hard coal. |
thermocline | a layer of water in an ocean or certain lakes, where the temperature gradient is greater than that of the warmer layer above and the colder layer below. |
Stellar Nebula Theory | widely accepted model explaining the formation and evolution of the Solar System |
H-R Diagram | Hertzsprung-Russel Diagram; scatter graph of stars showing the relationship between the stars' absolute magnitudes or versus their or effective temperatures |
Hubble Tuning Fork | used to classify galaxies |
barred spiral galaxy | spiral galaxy with a central bar-shaped structure composed of stars |
elliptical spiral galaxy | similar to the bulge in a spiral galaxy, but with no disk the stars are old and there is no gas present |