Did you know that about 250 million years ago, almost all life in the ocean became extinct?
Did you know that, in Egyptian mythology, the sky goddess Nut married the Earth god Geb, and that the Sun god Re was angry, and so forced them to separate?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Ooids
xOoids : Small (< 2 mm), spheroidal, layered sedimentary grains, usually composed of calcium carbonate, but sometimes made up of iron- or phosphate-based minerals.
Geologists have learned that a magnitude-8.1 earthquake and tsunami that killed 192 people on September 29, 2009 in Samoa, American Samoa and Tonga was in fact a triple-whammy. The 8.1 "great earthquake"...Read more