Did you know that you can now share your poems about our collection of cloud art photos. Have fun!
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?
xMoho : The boundary between the crust and the mantle in the earth. This is a depth where seismic waves change velocity and there is also a change in chemical composition. Also termed the Mohorovicic' discontinuity after the Croatian seismologist Andrija Moh
Tiny variations in the isotopic composition of silver in meteorites and Earth rocks are helping scientists put together a timetable of how our planet was assembled, beginning 4.568 billion years ago. Results...Read more