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  2. Flammarion engraving - Wikipedia

    en.wikipedia.org/wiki/Flammarion_engraving

    Flammarion had been apprenticed at the age of twelve to an engraver in Paris and it is believed that many of the illustrations for his books were engraved from his own drawings, probably under his supervision. Therefore, it is plausible that Flammarion himself created the image, though the evidence for this remains inconclusive.

  3. Planetary boundaries - Wikipedia

    en.wikipedia.org/wiki/Planetary_boundaries

    To the extent that these Earth system process boundaries have not been crossed, they mark the "safe zone" for human societies on the planet. [3] Proponents of the planetary boundary framework propose returning to this environmental and climatic system; as opposed to human science and technology deliberately creating a more beneficial climate.

  4. Internal structure of Earth - Wikipedia

    en.wikipedia.org/wiki/Internal_structure_of_Earth

    Earth's crust and mantle, Mohorovičić discontinuity between bottom of crust and solid uppermost mantle. Earth's mantle extends to a depth of 2,890 km (1,800 mi), making it the planet's thickest layer. [20] [This is 45% of the 6,371 km (3,959 mi) radius, and 83.7% of the volume - 0.6% of the volume is the crust].

  5. Lithosphere–asthenosphere boundary - Wikipedia

    en.wikipedia.org/wiki/Lithosphere–asthenosphere...

    Earth's inner structure can be described both chemically (crust, mantle, and core) and mechanically. The lithosphere–asthenosphere boundary lies between Earth's cooler, rigid lithosphere and the warmer, ductile asthenosphere. The actual depth of the boundary is still a topic of debate and study, although it is known to vary according to the ...

  6. Cartography - Wikipedia

    en.wikipedia.org/wiki/Cartography

    On the other hand, we can observe a reverse trend. In contemporary times, there is a resurgence of interest in the most beautiful periods of cartography, with various maps being created using, for example, Renaissance-style aesthetics. We encounter imitators or continuators of Renaissance traditions that merge the realms of science and art.

  7. Earth's crust - Wikipedia

    en.wikipedia.org/wiki/Earth's_crust

    Earth's crust is its thick outer shell of rock, referring to less than one percent of the planet's radius and volume. It is the top component of the lithosphere , a solidified division of Earth 's layers that includes the crust and the upper part of the mantle . [ 1 ]

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