SPL RF Mar 2018
EN_01309402_0459
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Diagram showing the interior of the Earth's Moon. The outermost layer, the crust, is about 45 miles (70 km) thick. This is thicker than the Earth's crust, which cooled down at a much slower rate. Beneath the crust is a thick silicate mantle, then a zone of partial melt with a radius of 480 km. This is probably where moonquakes occur. Current thinking, based on a re-examination of Apollo lunar seismometer data, is that the core, once thought solid, is now composed of a liquid outer component (330 km radius) and a solid inner one (240 km).
2018-03-11
East News
Science Photo Library RF
MARK GARLICK/SCIENCE PHOTO LIBRARY
f0211710
2,66MB
51cm x 34cm by 300dpi
ART, ARTWORK, CORE, CRUST, CUTAWAY, DIAGRAM, GARLICK, HORIZONTAL, ILLUSTRATION, INTERIOR, LANDSCAPE, LIBRARY, LIQUID, MANTLE, MARK, MELT, MOON, PARTIAL, SATELLITE, SCIENCE, SOLAR, SOLID, SPACE, SYSTEM,