Eating habits and lifestyle choices arenât the only possible causes of indigestion. Sometimes, symptoms of indigestion indicate a serious problem in the upper digestive tract. Common digestive diseases that can cause indigestion include: acid reflux disease (also called GERD)
Define accretion disk: a disk of usually gaseous matter surrounding a massive celestial object (such as a black hole) in which the matter graduallyâ¦ a disk of usually gaseous matter surrounding a massive celestial object (such as a black hole) in which the matter gradually spirals in towardâ¦
In astrophysics, accretion is the accumulation of cosmic dust particles into a massive object by gravitationally attracting more matter, typically gaseous matter in an accretion disc.