Did you know that lunar
eclipses are produced by the Earth casting its shadow on the Moon?
Do you know what slate, gneiss and schist have in common?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
xShadow zone : The shadow zone is the area of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves. The shadow zone results from S waves being stopped entirely by the liquid core and P waves being b
Daniel Wolf Savin, a senior research scientist at Columbia University's Astrophysics Laboratory, has published a paper on the research he and his colleagues have done on how stars began. In their research,...Read more