Grimsvotn GOES Boom

Watch as a huge cloud of ash bursts into the upper atmosphere from Iceland’s Grímsvötn volcano in this sequence of images taken by NASA’s GOES-13 weather observation satellite. The oblique angle of illumination and position along the edge of the globe emphasizes the incredible vertical scale of the eruption. (Click to play.) Grímsvötn erupted on…

Prominence Earth

A serpentine solar prominence snakes thousands of miles through space towards an unsuspecting Earth! This apocalyptic sci-fi scene is made up of two combined images of the sun from NASA’s SDO sapcecraft, acquired today September 25, 2010, superimposed and edited to show both surface (chromosphere) detail as well as coronal features, and an image of…