Granules live brief lives, only 8 to 20 minutes, before they're replaced by the rising minions from below. These UV rays will rapidly disintegrate asphalt and the thin fiberglass mat. GranulesGranules are small (about 1000 km across) cellular features that cover the entire Sun except for those areas covered by sunspots. The upwelling gas is hotter and therefore emits more radiation than the cooler downwelling gas. Crédit d'image: Friedrich Woeger, KIS, et Chris Berst et marque Komsa, NSO/aura/nsf. They shield the asphalt and the fiberglass mat from the ultraviolet (UV) rays of the sun. A stony meteorite containing small, round, silicate ~TildeLink() called chondrules. Close-up of ceramic granules, a critical part of what shingles are made of. You get almost like boiling water. Take as directed, alone, or diluted with water, juice or milk, or take with food. They show the surface of the Sun in the most exquisite detail we've ever seen - revealing convection granules the size of Texas, and tiny magnetic features - the roots of fields that extend far into space. It is almost as though the surface of the Sun is bubbling like a pot of boiling water. - Large gas granules on the sun's surface - The sun's rotation - Sun spots - Nuclear fusion in the core. CallUrl('en>wikipedia>orgatnf>csiro>auhtml',0), L chondrite - a chondrite (a stony meteorite containing small, round, silicate ~TildeLink() called chondrules) that has a low amount of iron.Lagrange point - One of five locations in space relative to two bodies where less massive body can maintain a stable orbit around a common center of mass. CallUrl('naasbeginners>co>ukhtm',0), The Sun's surface in 3D. Granules cover the entire Sun except for those areas covered by sunspots. In fact, the idea that the mineral hematite existed on Meridiani Planum was the principal reason the site was selected by NASA for exploration. Note the sunspots neat top right. These features are the tops of convection cells where hot fluid rises up from the interior in the bright areas, spreads out across the surface, cools and then sinks inward along the dark lanes. This is a powerpoint I developed for my student teaching in CA for fifth grade science lesson As the gas cools down, the gas slides down again into the Sun's interior.