Did you know that Thor was the Norse god of thunder, and that he produced thunder with his hammer, Mjolnir?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Aa
xAa : Hawaiian name for a type of lava flow with a surface that is broken into rough angular fragments which develop during cooling and loss of gas from pahoehoe flows.
Researchers have found a primitive Earth mantle reservoir on Baffin Island in the Canadian Arctic. Geologist Matthew Jackson and his colleagues from a multi-institution collaboration report the finding--the...Read more