Photo Credit handmade soap image by Alison Bowden from Fotolia.com. Castile soap is a natural liquid or hard soap made from vegetable oils. The first Castile soaps were made with the local olive oil and contained no tallow, or rendered animal fats, like most contemporary soaps.
Properties of Compressional or P waves. The first kind of body wave is the P wave. This is the fastest kind of seismic wave their name derives for the fact that P is an abbreviation for primary, first wave to arrive. The P wave generally travel at speeds between 1 and 14 km/sec. The P wave can move through solid rock and fluids, like water or the liquid layers of the earth.
Altair's flattened ellipsoid shape has been directly imaged (more). Altair has one of the fastest known rotational speeds -- 210 kilometers per second (131 miles per second)-- and so completes at least one rotation in about 10.4 hours.