50.1 MB (50.0 MB compressed)
5538 x 3165 pixels
47.0 x 26.9 cm ⏐ 18.5 x 10.6 in (300dpi)
BABAK TAFRESHI / SCIENCE PHOTO LIBRARY BABAK TAFRESHI / SCIENCE PHOTO LIBRARY
Sunspots. Telescope image of sunspots on the surface of the Sun. Sunspots are areas of magnetic activity that contain cooler gas than the rest of the Sun's surface. They are massive structures, ranging in size from hundreds of kilometres across to larger than the Earth.
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