Did
you know that solar
eclipses are caused when the Earth passes through the Moon's shadow?
Do you know why we are all sometimes called "carbon units"?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Tsunami
xTsunami : A tsunami is a sea wave of local or distant origin that results from large-scale seafloor displacements associated with large earthquakes, major submarine slides, or exploding volcanic islands.
Geologists have learned that a large earthquake and tsunami that killed 192 people on September 29, 2009 in Samoa, American Samoa and Tonga was in fact a triple-whammy. The magnitude 8.1 "great earthquake"...Read more