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You’ve seen the Sun, but you’ve never seen the Sun like this. This single frame from a video captured by ESA’s Solar Orbiter mission shows the Sun looking very …. fluffy! You can see feathery, hair-like structures made of plasma following magnetic field lines in the Sun’s lower atmosphere as it transitions into the much hotter outer corona. The video was taken from about a third of the distance between the Earth and the Sun.
Solar Orbiter recorded this video on September 27, 2023 using its Extreme Ultraviolet Imager instrument.the brightest regions are around one million degrees Celsius, while cooler material looks darker, as it absorbs radiation. At about 0:30 in the video, you’ll see coronal rain. This material is cooler than the rest of the solar surface versus the one million degrees C of the coronal loops. The rain is made of higher-density clumps of plasma that fall back towards the Sun under the influence of gravity.
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