We expect the stereo.gsfc.nasa.gov web site to be decommissioned early in 2026. With a few exceptions for out-of-date material, all resources have been copied to https://stereo-ssc.nascom.nasa.gov/ . Please change any bookmarks or automatic downloads you may have set up.

MISSION Mission Spacecraft Launch Instruments Where is STEREO? STEREO 10 Year Anniversary IN THE NEWS What's New? Current Status SCIENCE Space Weather Science Center (Data) RESOURCES Latest Images Galleries Learning Center Links Click here for thumbnails. 20070221_000100_s4h1A.jpg 00:01:00 UT [caption] 20070221_020100_s4h1A.jpg 02:01:00 UT [caption] 20070221_040100_s4h1A.jpg 04:01:00 UT [caption] 20070221_060100_s4h1A.jpg 06:01:00 UT [caption] 20070221_080100_s4h1A.jpg 08:01:00 UT [caption] 20070221_100100_s4h1A.jpg 10:01:00 UT [caption] 20070221_140100_s4h1A.jpg 14:01:00 UT [caption] 20070221_160100_s4h1A.jpg 16:01:00 UT [caption] 20070221_180100_s4h1A.jpg 18:01:00 UT [caption] 20070221_200100_s4h1A.jpg 20:01:00 UT [caption] 20070221_220100_s4h1A.jpg 22:01:00 UT [caption] Last Revised: Thursday, 25-Jun-2020 18:23:18 EDT Responsible NASA Official: Privacy Policy and Important Notices Accessibility Webmaster: Apexa Patel