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Seismology

It's doughnuts all the way down astronaut meme

Scientists Uncover Mysterious ‘Doughnut’ Structure in Earth’s Core

Overview of seismic stations on Greenland (black triangles), the location of the tsunami (red circle) and the nearest seismic station (red triangle), whose filtered signals are shown.

Mega-Tsunami in Greenland Fjord Triggers Week-Long Standing Wave

First meteoroid impact detected by NASA’s InSight mission; the image was taken by NASA’s Mars Reconnaissance Orbiter using its High-Resolution Imaging Science Experiment (HiRISE) camera.

New class of Mars quakes reveals daily meteorite strikes

The inner core began to decrease its speed around 2010, moving slower than the Earth’s surface.

Earth’s Inner Core Slows Its Spin, Surprising Scientists

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