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Click to see full image, with diameters of Earth and Jupiter for scale. Credit: NASA/SDO Space weather forecasters are keeping a close watch on a large collection of sunspots that could unleash blasts of energy or charged particles toward Earth in the coming days. Sunspot region 1476, the dark patch resembling the Hawaiian Islands in the photo at left, is located near the center of the sun s face as seen from Earth but has yet to act out in any major way.

In the past few months, you might recall warnings of incoming pieces of the sun. Called coronal mass ejections (CMEs), these energetic solar-storm particles can trigger amazing displays of auroras .