Diagram Showing Interior The Moon #1
by Mark Garlick/science Photo Library
Title
Diagram Showing Interior The Moon #1
Artist
Mark Garlick/science Photo Library
Medium
Photograph - Photograph
Description
Diagram showing the interior of the Earth's Moon. The outermost layer, the crust, is about 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).
Uploaded
February 17th, 2021
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