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Frolic Of The Elves

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Last Updated: 18 January 2022

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New results from NASA's Juno Mission at Jupiter suggest that either sprites or elves could be dancing in upper atmosphere of Solar System's largest planet. It is first time these bright, unpredictable and extremely brief flashes of Light-formally known as transient luminous events, or TLE's-have been observed in another world. Findings Were Published On Oct. 27 2020, In Journal Of Geophysical Research: Planets. Scientists predict these bright, superfast flashes of light should also be present in Jupiter's immense atmosphere, but their existence remains theoretical. Then, in summer of 2019, researchers working with data from Juno's ultraviolet spectrograph instrument discovered something unexpected: bright, narrow streak of ultraviolet Emission that disappears in flash. UVS was designed to characterize Jupiter's beautiful northern and southern lights, said Giles, Juno scientist and lead author of paper. But we discover UVS images not only show Jovian aurora, but also bright flash of UV light over in corner where it wasn't supposed to be. More Our Team Looked Into It, More We Realized Juno May Have Detected TLE On Jupiter. Name after mischievous, quick-witted character in English folklore, are transient luminous events triggered by lightning discharges from thunderstorms far below. On Earth, they occur up to 60 miles above intense, towering thunderstorms and brighten region of sky tens of miles across, yet last only few milliseconds. Almost resembling jellyfish, sprites feature central blob of light, with long tendrils extending both down toward ground and upward. Elves appear as flattened disk glowing in upper atmosphere. They, too, brighten sky for mere milliseconds but can grow larger than sprites-up to 200 miles across on Earth. Their colors distinctive as well. On Earth, sprites and elves appear reddish in color due to their interaction with nitrogen in upper atmosphere, says Giles. But on Jupiter, upper atmosphere mostly consists hydrogen, so they would likely appear either blue or pink. With three giant blades stretching out some 66 feet from its cylindrical, six-side body, Juno spacecraft is dynamic engineering marvel, spinning to keep itself stable as it makes oval-shape orbits around Jupiter. View full interactive experience at Eyes on Solar System. Occurrence Of Sprites And Elves At Jupiter Was Predicted By Several Previously Published Studies. Synching with predictions, 11 large-scale bright events Juno's UVS instrument has detected occur in regions where lightning thunderstorms are known to form. Juno scientists could also rule out that these were simply mega-bolts of lightning because they were found about 186 miles above altitude where majority of Jupiter's lightning forms-its water-cloud layer. And UVS record that spectra of bright flashes were dominated by hydrogen emissions. Rotating, Solar-power Spacecraft, Juno, Arrive At Jupiter In 2016 After Making Five-year Journey. Since then, it has made 29 science flybys of gas giant, each orbit taking 53 days.

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* Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions

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