Olav GeijsApr 7, 20201 minWhat is the Saharan Air Layer? / Qué es la capa de aire del Sahara?The Saharan Air Layer (SAL) is an intensely dry, warm, and sometimes dust-laden layer of the atmosphere which often overlies the cooler,...
Olav GeijsApr 7, 20202 minWHAT IS A SOLAR HALO? ¿QUÉ ES UN HALO SOLAR?Sometimes, we see rings around the sun and even around the Moon and we ask ourselves what it is and what causes it. This is what we call...