PICTURE CAPTIONS ----------------------------- GN11083 -- Picture shows coronal mass ejection recorded by the joint European-U.S. telescope satellite, SOHO (Solar and Heliospheric Observatory). These giant explosions heat material to millions of degrees in just seconds and blast billions of tons of material into space. Credit: NASA Goddard Space Flight Center ----------------------------- GN11084 -- Picture shows pair of sunspots, dark spots on the surface of the Sun. They typically last for several days, although very large ones may live for several weeks. Sunspots are magnetic regions on the Sun with magnetic field strengths thousands of times stronger than the EarthÕs magnetic field. Sunspots usually come in groups with two sets of spots. One set will have positive or north magnetic field while the other set will have negative or south magnetic field. The field is strongest in the darker parts of the sunspots. Credit: NASA Goddard Space Flight Center ----------------------------- GN11085 -- Picture shows an aurora in the earthÕs upper atmosphere. Commonly observed in northern Europe and northern America, the aurora are a rich source of folklore and myth. The Northern Lights, Aurora Borealis, and The Southern Lights, Aurora Australis, are shimmering sheets of light in the sky. Credit: NASA Goddard Space Flight Center -----------------------------