Each loop in this video represents approximately 10 Earth hours or one Jupiter day, approximating what it would look like if the Great Red Spot were constantly illuminated. By analyzing this set of data from NASA’s Hubble Space Telescope, researchers were able to simulate what the wind flow looks like around Jupiter’s Great Red Spot: Just south of the Great Red Spot is an eastward jet and at the southern border is a westward jet.
Read the news release: https://hubblesite.org/contents/news-releases/2021/news-2021-055
NASA, ESA, Michael H. Wong (University of California, Berkeley)