Did you know that we look back in time when we look into the cosmos?
Did you know that "megalith" means "big rock", which is certainly a good description of Stonehenge?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Aa
xAa : Hawaiian name for a type of lava flow with a surface that is broken into rough angular fragments which develop during cooling and loss of gas from pahoehoe flows.
Air pollution can get high in the atmosphere – high above most of the clouds you see in the sky. Scientists are finding air pollution like black carbon, sulfur dioxide, and nitrogen oxides more than 2...Read more