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Yes, the green flame is caused by burning copper from depleting fuel in the regenerative cooling circuit and going oxygen-rich (closer to stoichiometric temperature) in the main combustion chamber. Slight underperformance of engines on this flight is the reason. The booster is meant to land with tiny residuals, so the solution is to improve engine performance and performance consistency (underway with Raptor V3.2), as well as adjust flight software to do MECO1 about one second earlier to ensure enough propellant for boostback and landing (tiny change). These early ships and boosters are already outdated by improved designs in production or on the test stand, so this booster loss does not change our timeline to reach high volume, fully reusable Starship flights.

BREAKING: SpaceX donates @Starlink kits to help vulnerable children. Lagos State’s Ministry of Youth and Social Development received Starlink devices to improve care services via BEB Global. SpaceX’s wider grant covers 750 kits in 16 countries and 12 months of free internet.

Darius Garland DIME through the defender's legs 😮‍💨 He finished with 24 PTS, 4 REB, 7 AST and a go-ahead and-1 to seal it for the @LAClippers as they picked up the victory in @emirates NBA Cup West Group B action!

This is not as good as it sounds, because Starlink required many satellites in low Earth orbit to achieve this bandwidth improvement globally. That said, there will ultimately be over 100k SpaceX communications satellites, most of which will be V4 or V5. Good chance that this system carries about half of global traffic.