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What is the object beside the rocket at 37:49 to 38:02 ? Is that debris ? It seems to be falling with, then away from the rocket. (it looks like a small glowing ring to the right)

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It’s the hot staging spacing ring. They didn’t call it on the feed but it is an expendable part that ejects after separation.

thank you!

Hotstaging was added quite late so they need to jettison in order to land, but it should be permanently integrated in the later variants.

interesting, thank you for the extra info

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