Monday, February 18, 2019
Earth

Earth

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Earth's crust, mantle and outer core interactions.
Earth

New insight into Earth’s crust, mantle and outer core interactions

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Earth taken by the Apollo 8 astronauts on Dec. 22, 1968
Earth

Thank the moon for Earth’s lengthening day

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A conceptual rendering suggests how Earth's land elevations and oceans may have appeared during the assembly of Kenorland, left, and later, right, after the Great Oxygenation Event. A University of Oregon-led study has potentially narrowed the window on when significant amounts of land emerged from under the ocean's surface.
Earth

Land rising above the sea 2.4 billion years ago changed planet...

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Intensity at Earth's surface (left) and radial field (Br) at the CMB (right).
Earth

Earth’s magnetic field is not about to reverse

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Snowball Earth
Earth

Was the Earth ever frozen solid?

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Millstream National Park, Pilbara, Western Australia.
Earth

Why parts of Earth have barely changed in 3 billion years

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Inside the target chamber at the University of Rochester's Omega Facility, a team of researchers including Princeton University's Thomas Duffy and June Wicks use lasers to compress iron-silicon samples to the ultrahigh pressures found in the cores of super-Earths.
Earth

Ultrahigh-pressure laser experiments shed light on super-Earth cores

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Meteorite sample
Earth

Meteorite diamonds tell of a lost planet

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Meteorites
Earth

Water appeared while Earth was still growing

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Earth

Brewing up Earth’s earliest life

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"Lava" Earth's mantle
Earth

Understanding the Earth under Hawaii

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Using Argonne's Advanced Photon Source, researchers identified a form of water known as Ice-VII, which was trapped within diamonds that crystallized deep in the Earth's mantle.
Earth

Argonne’s powerful X-rays key to confirming water source deep below Earth’s...

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The molecular structure of ice-VII (upper right) is shown with an artistic rendering of the Earth and a cutaway view of the inner Earth (right). Crystallized water, in the form of ice-VII, was found in diamond samples studied at Berkeley Lab.
Earth

Diamonds from the deep: Study suggests water may exist in Earth’s...

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Diamond crystal
Earth

Unique diamond impurities indicate water deep in Earth’s mantle

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This illustration shows how the changes in the electromagnetic properties of xenon, iron, and nickel under these intense pressures allow for the formation of XeFe3 and XeNi3.
Earth

Do you know where your xenon is?

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Earth’s geomagnetic field
Earth

New data helps explain recent fluctuations in Earth’s magnetic field

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Earth's Layers
Earth

Challenging core belief: Have we misunderstood how Earth’s solid center formed?

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Earth

Earth’s mid-life crisis – new research backs ‘lull’ in the geologic...

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Diamonds with garnet inclusions can form at depths down to 550 kilometres below the surface. Credit
Earth

Oxidized iron deep within Earth’s interior

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Earth experienced multiple large impacts; the high-pressure and -temperature conditions caused pockets of core and mantle partitioning that persist as chemically distinct today.
Earth

Earth’s core and mantle separated in a disorderly fashion

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