GO FOR LAUNCH

BLOG

Writing about SpaceX, orbital mechanics, and what the acceleration of human spaceflight means for the people paying attention. By William Ray Brown.

June 4, 2026·9 min read

The Booster That Came Back

How SpaceX rewrote the physics of orbital launch — and what it means for the rest of our lives

There is a moment, roughly eight minutes after liftoff, when the Falcon 9's first stage has done its job and the second stage has taken over. The booster is traveling at several times the speed of sound, and it is about to do something the aerospace industry spent sixty years insisting was not worth attempting.

READ →

NEVER MISS A LAUNCH

Free email alerts before every SpaceX mission.

SUBSCRIBE FREE →