Solar coronal loops
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Solar coronal loops
Solar coronal loops. Coloured ultraviolet TRACE image of coronal loops on the Sun. The Earth has been superimposed for scale. The bases of the loops are the hottest areas (white). These raise the temperature of the solar corona (atmosphere) thousands of times above that of the Suns surface (dark, lower frame). The loops comprise electrically-charged gases (plasma) at millions of degrees Celsius. Gas is heated as it is ejected from the surface, and follows the path of magnetic field lines before crashing back down at over 100 kilometres per second. TRACE (Transition Region & Coronal Explorer) is an observatory launched in 1998 to study the Sun at ultraviolet wavelengths
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Media ID 6446117
© NASA/SCIENCE PHOTO LIBRARY
Astrophysics Cosmology Explorer Magnetic Fields Nasa Scale Solar Superimposed Surface Ultra Violet Coronal Loops
EDITORS COMMENTS
This print showcases the mesmerizing beauty and complexity of solar coronal loops. Colored in ultraviolet hues, these ethereal loops dance across the Sun's surface, revealing a stunning celestial spectacle. To provide a sense of scale, our Earth is superimposed on this image, emphasizing the immense size and power of these phenomena. The white-hot bases of these loops mark the hottest areas, generating temperatures thousands of times higher than the Sun's surface itself. This intense heat contributes to heating up the solar corona, creating an atmosphere that defies comprehension. Comprising electrically-charged gases known as plasma at blistering temperatures reaching millions of degrees Celsius, these loops follow intricate paths dictated by magnetic field lines. As they are ejected from the Sun's surface with tremendous force, they soar through space before crashing back down at astonishing speeds exceeding 100 kilometers per second. Captured by TRACE (Transition Region & Coronal Explorer), an observatory launched in 1998 specifically designed to study the Sun using ultraviolet wavelengths, this image provides invaluable insights into our closest star. With its ability to unravel mysteries related to transition regions and coronal activity while examining magnetic fields and coronal loops' behavior, TRACE plays a vital role in advancing our understanding of astrophysics and cosmology. This awe-inspiring photograph serves as a reminder that even though we may be small in comparison to such cosmic wonders, there is still so much left for us to explore and comprehend about our vast universe.
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