Tag Archives: Earth’s Outer Shell: Was It Once Solid?

Earth’s Outer Shell: Was It Once Solid?

1 March 2017 fborgosano Leave a comment

Earth had a hard outer shell before its tectonic plates.

from Space.com bit.ly/2lwtYeI

Web review of articles, videos and images of what is happening, has happened, and will happen on Earth … and in Space.

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