Did you know that bodies in the solar system orbit the Sun in elliptical orbits?
Do you know the main points of the theory of natural selection?
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.
Daniel Wolf Savin, a scientist at Columbia University, has published a paper on the research he and his colleagues have done on how stars began. In their research, the scientists built an apparatus to...Read more