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  2. Geothermal gradient - Wikipedia

    en.wikipedia.org/wiki/Geothermal_gradient

    Earth cutaway from core to exosphere Geothermal drill machine in Wisconsin, USA. Temperature within Earth increases with depth. Highly viscous or partially molten rock at temperatures between 650 and 1,200 °C (1,200 and 2,200 °F) are found at the margins of tectonic plates, increasing the geothermal gradient in the vicinity, but only the outer core is postulated to exist in a molten or fluid ...

  3. Template:Climate chart/fahrenheit column i - Wikipedia

    en.wikipedia.org/wiki/Template:Climate_chart/...

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  4. Lava - Wikipedia

    en.wikipedia.org/wiki/Lava

    The word lava comes from Italian and is probably derived from the Latin word labes, which means a fall or slide. [2] [3] An early use of the word in connection with extrusion of magma from below the surface is found in a short account of the 1737 eruption of Vesuvius, written by Francesco Serao, who described "a flow of fiery lava" as an analogy to the flow of water and mud down the flanks of ...

  5. Template:Climate chart/fahrenheit column - Wikipedia

    en.wikipedia.org/wiki/Template:Climate_chart/...

    العربية; বাংলা; भोजपुरी; Català; Cymraeg; الدارجة; Español; فارسی; Fiji Hindi; Galego; 贛語; ગુજરાતી ...

  6. Effusive eruption - Wikipedia

    en.wikipedia.org/wiki/Effusive_eruption

    The shape of effusive lava flows is governed by the type of lava (i.e. composition), rate and duration of eruption, and topography of the surrounding landscape. [3] For an effusive eruption to occur, magma must be permeable enough to allow the expulsion of gas bubbles contained within it.

  7. List of PDF software - Wikipedia

    en.wikipedia.org/wiki/List_of_PDF_software

    As with Adobe Acrobat, Nitro PDF Pro's reader is free; but unlike Adobe's free reader, Nitro's free reader allows PDF creation (via a virtual printer driver, or by specifying a filename in the reader's interface, or by drag-'n-drop of a file to Nitro PDF Reader's Windows desktop icon); Ghostscript not needed. PagePlus: Proprietary: No

  8. International Standard Atmosphere - Wikipedia

    en.wikipedia.org/wiki/International_Standard...

    Non-standard (hot or cold) days are modeled by adding a specified temperature delta to the standard temperature at altitude, but pressure is taken as the standard day value. Density and viscosity are recalculated at the resultant temperature and pressure using the ideal gas equation of state.

  9. Ice-marginal lava flow - Wikipedia

    en.wikipedia.org/wiki/Ice-marginal_lava_flow

    An ice-marginal lava flow is a lava flow that comes into direct contact with a glacier or the margins of a large ice sheet. As the lava reaches the margins of an ice sheet, the front of the lava flow cools very quickly to form a barrier. Behind this barrier, the lava begins to pool, ceasing the contact between the hot lava and cold ice.