A detailed example of a light bridge crossing a sunspot’s umbra. In this picture, the presence of convection cells surrounding the sunspot is also evident. Hot solar material (plasma) rises in the ...

Rayleigh-Bénard convection, a classical paradigm in fluid dynamics, refers to the thermally driven instability that arises when a fluid layer is heated from below and cooled from above. This ...

On Pluto, icebergs floating in a sea of nitrogen ice are key to a possible explanation of the quilted appearance of the Sputnik Planum region of the dwarf planet’s surface. Data reported by NASA’s New ...