Did you know that the Maya and the Aztecs were early observers of Venus?
Do you know how charged particles move in a magnetic field?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Rayleigh wave
xRayleigh wave : A Rayleigh wave is a seismic surface wave causing the ground to shake in an elliptical motion, with no transverse, or perpendicular, motion.
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