Update: 4:30 p.m. EST, Dec. 21, 2021: NASA and Arianespace successfully completed the Launch Readiness Review for the James Webb Space Telescope on Dec. 21. The team authorized the Ariane 5 rocket carrying Webb to rollout and the start of launch sequencing for the mission. However, due to adverse weather conditions at Europe’s Spaceport in …
James Webb Space Telescope Launch Update








