Through a process known as convection, cooler nitrogen ice located in the middle of the cells falls away, and is replaced by a rising globule of (relatively) warm material, which has been heated ...

The fluffy ring is made up of cumulus clouds that have been sculpted into a Rayleigh-Benard convection cell — a meteorological phenomenon powered by the rising and falling of air that's been ...

The convection cells are much bigger, and much slower moving, than other structures previously spotted on the Sun. Data from NASA’s orbiting Solar Dynamics Observatory (SDO) show solar plasma ...