Did you know that bodies in the solar system orbit the Sun in elliptical orbits?
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.
A new study shows that water might have been present very early in the formation of Earth. Before this new information, scientists thought water came to Earth from comets. Scientists have learned this...Read more