Sunspots. Swedish One-metre Solar Telescope image of sunspots on the surface of the Sun
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Sunspots. Swedish One-metre Solar Telescope image of sunspots on the surface of the Sun
Sunspots. Swedish One-metre Solar Telescope image of sunspots on the surface of the Sun. Sunspots are cooler regions of the Suns surface that appear dark against their brighter, hotter surroundings. They comprise a dark umbra surrounded by a lighter, filamentous penumbra. The individual filaments comprising the penumbra are around 150-180 kilometres in diameter. It is thought sunspots are formed by powerful magnetic fields intersecting the Suns visible surface (photosphere). The amount of sunspots on the Sun varies over an eleven year cycle, for unknown reasons. Image taken on 15th July 2002
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6444451
© SCHARMER ET AL, ROYAL SWEDISH ACADEMY OF SCIENCES/SCIENCE PHOTO LIBRARY
Astrophysical Astrophysics Atmosphere Cosmology Filaments Penumbra Plasma Solar Star Stellar Sun Spot Granulation Umbra
EDITORS COMMENTS
This print titled "Sunspot" showcases the mesmerizing beauty of sunspots on the surface of our closest star, the Sun. Taken on July 15th, 2002, by the Swedish One-metre Solar Telescope, this image provides a stunning glimpse into these cooler regions that appear as dark spots against their brighter surroundings. Sunspots consist of a dark umbra at their core surrounded by a lighter and filamentous penumbra. The individual filaments within the penumbra measure approximately 150-180 kilometers in diameter. Scientists believe that these enigmatic features are formed due to powerful magnetic fields intersecting with the visible surface of the Sun known as photosphere. Interestingly, sunspots exhibit an intriguing behavior over an eleven-year cycle whose cause remains unknown to researchers. This natural phenomenon adds another layer of mystery to our understanding of solar activity. The photograph not only captures the scientific significance but also highlights its aesthetic appeal. It serves as a reminder of how vast and awe-inspiring our universe is while showcasing intricate details like granulation and plasma dynamics within this celestial body. With elements such as magnetohydrodynamics and filaments being part of this extraordinary image, it represents an invaluable contribution to astrophysics and cosmology research. Courtesy of Science Photo Library, this print invites us to marvel at nature's wonders through science's lens without mentioning any commercial use or affiliation with any specific company.
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