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  2. Depression (geology) - Wikipedia

    en.wikipedia.org/wiki/Depression_(geology)

    A watering hole is a natural depression where water collects and animals come to drink. Karst closed depression with permanent lake Stymfalia, Peloponnese, Greece. Seasonal abundant precipitation drained by 3 sinkholes. In geology, a depression is a landform sunken or depressed below the surrounding area. Depressions form by various mechanisms.

  3. Hollow Earth - Wikipedia

    en.wikipedia.org/wiki/Hollow_Earth

    The Hollow Earth is an obsolete concept proposing that the planet Earth is entirely hollow or contains a substantial interior space. Notably suggested by Edmond Halley in the late 17th century, the notion was disproven, first tentatively by Pierre Bouguer in 1740, then definitively by Charles Hutton in his Schiehallion experiment around 1774.

  4. Glossary of landforms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_landforms

    Dell – Small secluded hollow; Depression – Landform sunken or depressed below the surrounding area; Delta, River – Silt deposition landform at the mouth of a river; Desert pavement – Type of desert earth surface; Diatreme – Volcanic pipe associated with a gaseous explosion

  5. Glossary of geology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_geology

    A depressed block of the Earth's crust bordered by parallel faults. granite A coarse-grained, often porphyritic, intrusive, felsic, igneous rock containing megascopic quartz, averaging 25%, much feldspar (orthoclase, microcline, sodic plagioclase) and mica or other coloured minerals. Rhyolite is the volcanic equivalent. granitoid

  6. Figure of the Earth - Wikipedia

    en.wikipedia.org/wiki/Figure_of_the_Earth

    The Earth's radius is the distance from Earth's center to its surface, about 6,371 km (3,959 mi). While "radius" normally is a characteristic of perfect spheres, the Earth deviates from spherical by only a third of a percent, sufficiently close to treat it as a sphere in many contexts and justifying the term "the radius of the Earth".

  7. NASA image of Earth reignites North Pole is hollow conspiracy

    www.aol.com/news/2016-05-23-nasa-image-of-earth...

    By: Troy Frisby/Patrick Jones, Buzz60 NASA's new pictures of Earth are reigniting conspiracy theories straight out of "Journey to the Center of the Earth."

  8. Earth - Wikipedia

    en.wikipedia.org/wiki/Earth

    Earth is rounded into an ellipsoid with a circumference of about 40,000 km. It is the densest planet in the Solar System. Of the four rocky planets, it is the largest and most massive. Earth is about eight light-minutes away from the Sun and orbits it, taking a year (about 365.25 days) to complete one revolution.

  9. Is Monarch: Legacy of Monsters About to Go There? A Brief ...

    www.aol.com/monarch-legacy-monsters-brief...

    With its antepenultimate Season 1 episode, Apple TV+’s Monarch: Legacy of Monsters brushed up against a major piece of Monsterverse movie mythology, as in the Hollow Earth theory — and may ...