28 comments

  • modeless 22 minutes ago

    Successful Raptor on-orbit relight demo! That should clear the next flight to go to orbit and deploy operational satellites! Big milestone for the program.

      maxlin a minute ago

      My brain refuses to resolve the effect of it as anything but CGI. Event though it isn't.

  • appplication 13 minutes ago

    It’s interesting the cognitive dissonance this brings out in me. As much as I think Musk carries a fairly reprehensible aura, I would still like to see SpaceX succeed. Space has a funny, transcendent way of inspiring us.

      amanaplanacanal 9 minutes ago

      The tiny part of SpaceX that is actually about space, yes. Unfortunate that it has been bolted onto the hulk of Musk's AI fever dreams.

        yieldcrv 4 minutes ago

        Even at $38/share it will still be number 20 on the fortune 500 by marketcap

        Too bad for Elon gullibles its at $113/share

        but its a great company at $38

      maxlin 5 minutes ago

      Consider not sharing such toxic views. SpaceX is Musk, and Musk is SpaceX. His being reflects exactly in SpaceX, and the great goals of SpaceX are dependent on his work in everything he does. So maybe don't try to drag the great down just because you can't stomach what it takes.

      Without X, with a worse administration, without him keeping a positive demeanor even with people without vision trying to drag him down due to their careless ignorance, all this could have come to an end.

  • s08148692 6 minutes ago

    Real time reentry plasma field will never get old. Amazing

      andsoitis 3 minutes ago

      Goosebumps.

      And the visuals from Starlink for the entire journey is freakin' awesome.

  • georgeburdell 38 minutes ago

    Seems like the booster landing burn did not light all the engines and so it crashed into the water.

      ChuckMcM 18 minutes ago

      Yup. Some of the Youtubers (like NASA Spaceflight) had video of it hitting the water pretty fast and hard. That said, this is the only test failure so far. I'm cautiously hopeful they get Ship to touch down. (it will explode after it does because of physics but stepping lightly onto the ocean will be a win)

        DetroitThrow 4 minutes ago

        How many times have they managed to catch it in the last 8 or so missions? There have been a few misses like this already.

        cucumber3732842 14 minutes ago

        >it will explode after it does because of physics

        Is this just a fancy way of saying lightweight fragile aerospace tube with hot stuff all over the outside and flammable stuff on the inside will not respond well to falling on it's side or is there some other thing going on here I don't know about.

          ACCount37 a few seconds ago

          No, that's exactly what happens. Most of the time.

          There was a couple of times when SpaceX accidentally soft landed a Falcon 9 first stage into the ocean, and had it just float around. They're yet to do that trick with Starship though.

      stephc_int13 29 minutes ago

      It was going in the water anyway, but yeah, it touched visibly faster than it should have.

      ButlerianJihad 28 minutes ago

      The actual objective was to crash very slowly into the water, and to that end, I believe they planned for about 13 out of 33 to light for the "landing burn". But only about 5 lit up at that time, giving them a higher-speed crash-landing. However, the landing site was exactly where they needed to be, and done in complete safety, so that is good.

      They had been explaining the post-ignition abort from last week, and showed how 4 out of 33 engines had failed to light on the first stage. This was due to some kind of pump malfunctions. They said that if 1 or 2 fail, it's OK to launch, but more than 2 is an automatic abort. So they were able to replace the finicky motors and fully test them out.

      Who knows what caused the underthrust for the landing burn, but at least all 33 engines were operational at launch, and they got plenty of data from this test run, and all Starlink v3 satellites have been deployed successfully for their "suborbital speedrun", so this test flight is doing really awesome!

        ls612 26 minutes ago

        Damn so this probably means another identical suborbital flight in 6-8 weeks. It is looking less and less likely that we will see either prop transfer or a ship catch this year.

          davmar 22 minutes ago

          i don't think so - the ascent looked good. i don't think they need to put the ship on another suborbital trajectory because the booster landing burn failed. also, i don't think this impacts prop transfer or ship catch - both are separate problems.

            ls612 10 minutes ago

            I think this is technically true but that they want a seamless suborbital flight (like the last two for the Block 2) before they move forward on those other goals.

          NetMageSCW 23 minutes ago

          They don’t have to catch the booster to test any of that.

      wat10000 31 minutes ago

      The “chopstick” catcher arrangement seems awfully fragile. Would the ground equipment have survived this if it had been a real catch?

        pixl97 29 minutes ago

        Yes, because it would have landed a few hundred meters out from the chopsticks. It swings in towards the catcher as part of its slowdown. If it doesn't slow down, that doesn't happen.

        tenuousemphasis 29 minutes ago

        They generally initiate landing aiming just off shore and only adjust to the landing pad after everything is nominal. So yes.

  • fsloth 27 minutes ago

    Whoa the acceleration from the start surprised me. It’s huge and it just … zipped off the pad like a bullet (ok not real bullet but still).

      ACCount37 11 minutes ago

      They juiced the engines up big time with the Raptor 3 upgrade. The rest of the stack is leaner and meaner too, but engines are probably the single biggest upgrade.

      It's why they have plans to elongate the stack further. If they have this much TWR to go around at liftoff, they can afford to cash in that extra thrust to pack more fuel.

        andsoitis 7 minutes ago

        > they have plans to elongate the stack further

        Elongate the stack.

  • andsoitis 2 minutes ago

    earth is looking beautiful

  • andsoitis 38 minutes ago
  • adolph 16 minutes ago

    Its amazing to see this beast and think that all the firey stuff isn't the primary energy source (although totally necessary to pushing the mass out the back fast enough).

      The reason it’s very small is that almost all of the energy in hydrogen and oxygen is not stored in the chemical binding energy of these things going together.
    
      The vast majority of it is stored in just the rest mass energy of the protons and the neutrons, which chemical burning doesn’t affect at all.
    
    https://www.dwarkesh.com/p/adam-brown-gr

    [Edit note: Starship and Booster are methalox, yes. The physicist is talking generically, not about this launch specifically)