Nelson Flores
More ideas from Nelson
8 Remédios Caseiros para Tratar Cáries Naturalmente

Cavities are a type of tooth decay that occur when specific types of bacteria produce acid that destroys the tooth’s enamel as well as the underlying layer, the dentin. Many people believe that once tooth decay sets in, it’s impossible…

Um mapa da nossa galáxia da Via Láctea, mostrando pulsares (vermelho), nebulosas…

And you thought your day was busy? we-are-star-stuff: A map of our galaxy the Milky Way, showing pulsars (red), planetary nebulae (blue), globular clusters (yellow), and the orbits of several stars. And yet our galaxy is a tiny place.