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I thinks it's the same reason as the early days of sn8 belly flopping, it's the plumbing not delivering fuel properly, since all this time they have been talking about ice.
It seems that a lot of time it's been ice that is clogging up the engines, but other than that they haven't been as forthcoming of what all the issues have been.
Seems unlikely to be the issue on ascent, the issue there used to be the ice floated to the surface of the LOX line and trouble happened when the level neared the engines, so on ascent and without much slosh that should be fine, same for the ship
Edit: I love that there’s a good discussion below about this. And that people have downvoted my genuine question (perhaps thinking I was insinuating something extraterrestrial, which I wasn’t at all).
Original comment: Does anyone know what the "object" was that appeared around t+ 7:20 and moved out of view to the left? In the screenshot, its just above the "Super Heavy Landing" timeline. It got slightly better in view as it went on to the left, at one point being in the same frame as the Moon.
It puzzled me too but as its position held steady relative to the ship while the ship was accelerating to orbit it has to be the ship. My guess is that it's a camera artifact picking up some reflection from the ship.
The object is Saturn. I just looked for the place and time in Stellarium and, yep, this livestream was in a picture quality that we saw flippen Saturn, clearly discernible as a thing with rings.
It’s not Saturn. Saturn is nowhere near that large visually in a camera with this FoV - it appears larger than the moon here which is not at all how that works. For a camera like this, Saturn would appear as a dot and nothing more. Source: amateur astronomer
It is probably slightly above Saturn V / Skylab at ~140-150t, but it depends on the dry weight which I don't think is currently known. I guess it might break the record since SS has been overweight for much of its career, but probably better to wait for next flight so it's clear.
The propellant remaining in the tanks prior to landing is around ~60t according to a monitor seen on one of the SpaceX documentaries. Starship’s dry mass is not less than 100t, and the payload was 45t, so when including fuel it’s at least ~200t. Dry mass is thought to be around 160t - so without the fuel total mass is ~200t and with it ~260t
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