Did you know that the Maya and the Aztecs were early observers of Venus?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Shadow zone
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 scientist at Columbia University, has published a paper on the research he and his colleagues have done on how stars began. In their research, the scientists built an apparatus to...Read more