Meteosat is a geostationary satellite that sits in a fixed spot relative to Earth's surface at an altitude of 22,000 miles (36,000 kilometers). 'Look near the top of the video, especially on the right hand side: Can you see the moving dark area? That's the shadow!' Proud said in a Tweet, sharing the sequence.

The video was processed by Earth-observation scientist Simon Proud of the U.K.'s space science laboratory RAL Space. Tuesday, October 25, 2022: The moon's shadow skimming the face of Earth during the partial solar eclipse on October 25 in a video sequence captured by the European Meteosat weather-forecasting satellite. (Image credit: Eumetsat/Ral Space/Simon Proud) – Tereza Pultarova Moon casts shadows over Scandinavia during solar eclipse To see the corona this quiet is a bit surprising as the sun's activity has been picking up lately as the sun nears the peak of its current cycle of activity which will take place in 2025. The corona, over a million degrees Celsius hot, is a source of the solar wind and coronal mass ejections, bursts of plasma that affect space weather around Earth. Each pixel in the movie covers an area 65 miles wide (105 kilometers), which means that 17 Earths would fit across the image.

The video was taken on Oct.13 when Solar Orbiter was at only 29% of the sun-Earth distance from the star. The video sequence, taken with Solar Orbiter's Extreme Ultraviolet Imager (EUI), reveals the corona in a tranquil almost motionless state. Thursday, October 27, 2022: The Europe-led Solar Orbiter spacecraft took the highest-resolution movie ever of the upper layer of the sun's atmosphere, the corona, during its recent close approach to the sun. (Image credit: ESA & NASA/Solar Orbiter/EUI Team)

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