Did you know that most of the matter in the universe is in the plasma state?
Did you know that in Norse mythology, there is a huge rainbow bridge called Bifrost that connects Midgard, the realm of humans, to Asgard, the home of the gods?
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.
There used to be sea ice floating on the tropical ocean, according to new evidence found by geologists. This was quite a long time ago, 716.5 million years ago, during a time known as Snowball Earth. This...Read more