Did you know that there may be 200 or so dwarf planets in the solar system, out to the Kuiper Belt?
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.
Conservation efforts to protect endangered corals in the Caribbean focus on the areas that have the largest variety of species. Ann Budd of the University of Iowa and John Pandolfi of the University of...Read more