Did
you know that early Chinese believed that there were ten
suns that appeared each day in the sky during the ten-day Chinese week?
Did you know that the Maya and the Aztecs were early observers of Venus?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Lahar
xLahar : A mudflow or landslide composed of pyroclastic material and water that flows down from a volcano, typically along a river valley. Lahars can be huge, fast, and deadly.
Created in the first three minutes after the Big Bang, hydrogen and helium gave rise to all other elements in the universe. Stars made this possible. Through nuclear fusion, stars generated elements such...Read more