{"id":76184,"url":"https://www.kudos365.com/news/76184-a-glowing-steve-and-the-milky-way","short_url":"https://www.kudos365.com/news/76184","headline":"A Glowing STEVE and the Milky Way","content":"\u003cp\u003eNASA Astronomy Picture of the Day:\u003c/p\u003e\n\n\u003cp\u003eWhat's creating these long glowing streaks in the sky? No one is sure.  Known as Strong Thermal Emission Velocity Enhancements (STEVEs), these luminous light-purple sky ribbons may resemble regular auroras, but recent research reveals significant differences. A STEVE's great length and unusual colors, when measured precisely, indicate that it may be related to a subauroral ion drift (SAID), a supersonic river of hot atmospheric ions thought previously to be invisible.  Some STEVEs are now also thought to be accompanied by green picket fence structures, a series of sky slats that can appear outside of the main auroral oval that does not involve much glowing nitrogen. The featured wide-angle composite image shows a STEVE in a dark sky above Childs Lake, Manitoba, Canada in 2017, crossing in front of the central band of our Milky Way Galaxy.\u003c/p\u003e\n\n","content_plain":"NASA Astronomy Picture of the Day:\n\nWhat's creating these long glowing streaks in the sky? No one is sure.  Known as Strong Thermal Emission Velocity Enhancements (STEVEs), these luminous light-purple sky ribbons may resemble regular auroras, but recent research reveals significant differences. A STEVE's great length and unusual colors, when measured precisely, indicate that it may be related to a subauroral ion drift (SAID), a supersonic river of hot atmospheric ions thought previously to be invisible.  Some STEVEs are now also thought to be accompanied by green picket fence structures, a series of sky slats that can appear outside of the main auroral oval that does not involve much glowing nitrogen. The featured wide-angle composite image shows a STEVE in a dark sky above Childs Lake, Manitoba, Canada in 2017, crossing in front of the central band of our Milky Way Galaxy.\n\n","published_at":"2020-11-17T12:16:02-08:00","updated_at":"2026-07-07T18:04:22-07:00","author":{"type":"Person","name":"Specola-","url":"https://www.kudos365.com/profiles/298285-specola"},"description":"Stay up-to-date with Specola on Kudos365. View their photo published Nov/17/2020 on Science - Tech - Astronomy. Browse your favorite topics and share your expertise, too.","type":"photo","image":"https://k365pi.imgix.net/959fbaf9-76bf-4667-af3d-831c8e7ff091.jpg?auto=compress,format\u0026fit=max\u0026w=1200\u0026h=1200\u0026q=48","likes_count":12,"comments_count":1,"categories":[{"name":"Science - Tech - Astronomy","url":"https://www.kudos365.com/categories/986-science-tech-astronomy"}],"schema":{"@context":"https://schema.org","@type":"CreativeWork","url":"https://www.kudos365.com/news/76184-a-glowing-steve-and-the-milky-way","headline":"A Glowing STEVE and the Milky Way","image":"https://k365pi.imgix.net/959fbaf9-76bf-4667-af3d-831c8e7ff091.jpg?auto=compress,format\u0026fit=max\u0026w=1200\u0026h=1200\u0026q=48","author":{"@type":"Person","name":"Specola-","url":"https://www.kudos365.com/profiles/298285-specola"},"datePublished":"2020-11-17T12:16:02-08:00","interactionStatistic":[{"@type":"InteractionCounter","interactionType":"https://schema.org/LikeAction","userInteractionCount":12}],"subjectOf":[{"@type":"Thing","name":"Science - Tech - Astronomy","url":"https://www.kudos365.com/categories/986-science-tech-astronomy"}]}}