Did you know that the "Seven Sisters" known to the Greeks is the same as the "Flint Boys" known to the Navajo?
Did you know that lunar
eclipses are produced by the Earth casting its shadow on the Moon?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
P-wave
xP-wave : A compressional wave (or pressure wave) in the Earth's surface that shakes the ground back and forth in the same direction and the opposite direction as the direction the wave is moving
Air pollution can get high in the atmosphere – high above most of the clouds you see in the sky. Scientists are finding air pollution like black carbon, sulfur dioxide, and nitrogen oxides more than 2...Read more