SpaceX closed out September with a launch from California’s Vandenberg Space Force Base Sunday night. But the real show for many people in southern California and Arizona was the vapor trails that streaked across the sky during the launch.
Breakdown
- People in southern California and Arizona witnessed a striking night sky display.
- The spectacle was caused by SpaceX's 16th launch of the month. 5s
- Vapor trails formed as rocket exhaust mixed with cold upper-atmosphere air. 11s
- The water vapor in the exhaust froze, creating visible trails of ice crystals. 20s