Located approximately 300 million light-years away in the constellation of Volans, AM is one of the most spectacular ‘Ring Galaxies’ we currently know. - Image Credit: NASA, ESA, and The Hubble Heritage Team (AURA/STScI)
Super-cell Lightning, Snyder, Nebraska Under a super-cell thunderstorm, a "wall cloud" or "pedestal cloud" may form. This is frequently associated with tornadoes and micro-bursts. Here, a "cloud-to-ground" lightning bolt strikes from a wall cloud.