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9 hours later…
1:40 PM
Ben Popper on May 11, 2021
There are requirements that make software engineers sweat. Massive distribution to thousands of nodes. High reliability and availability. Multiple distinct platforms. Rapid network growth. his is the world SpaceX’s Starlink program, which has set a goal to provide high-speed broadband internet to locations where access has been unreliable, expensive, or completely unavailable.
 
2:27 PM
Interesting comment from Feed article above: "One of the big challenges for Starlink is that the satellites themselves often change. Starlink says that they’ve never had a launch in which the satellites going into the constellation hadn’t changed from the last launch. In most environments, this would be a major problem (read: recipe for disaster.) Starlink has solved this problem by putting software developers directly into the manufacturing cycle."
@PearsonArtPhoto You have worked on satellites... How terrifying a concept does that seem to you?
And looks like SN15 iswas moved off the landing pad edge to the center, they removed the legs (they did their job and got crushed), and now they are moving it back to the Pad! Woo Hoo! Another SN15 flight soon? The big Faggiolli crane is starting to be assembled and likely once that is assembled to build the integration tower, we likely won't see many flights, since moving it away from the launch area is difficult. It is one very very large crane.
 
I mean, having a bunch of satellites around with different configurations that you can't easily fix if there's a problem...
It's pretty crazy, but then again, that's basically what Tesla does with its cars.
 
3:07 PM
They really are going to re-fly SN-15 quickly. Wow!
 
@PearsonArtPhoto Well they are moving it to the pad. I do not know if they seriously plan to refly it, but this does look like it...
 
I don't know why they would move it to the pad if they didn't intend to fly it, or at least static fire it...
 
Crane is hooking it right now, which seems like taking it off the SPMT to mount on the pad... So looks promising!
 
I guess they have to keep up the crashing tradition?
 
3:24 PM
Test to destruction?
If you do not crash it, you are not testing hard enough?
 
I guess that's the Starship plan.
I've been playing with a new game that is basically SpaceX the game.
Spaceship, LinkLink, and a few other name changes, but basically literally the SpaceX plan. The game is called EarthX.
 
4:23 PM
Interesting...
 
It's a fun enough game, although it's a bit too copying of SpaceX in my opinion...
Someday if I have the time I'd love to do a similar game, but a bit more open ended.
 
 
4 hours later…
7:56 PM
@geoffc Possibly dismantling the rocket might cost more than dismantling it by a rapid scheduled disassembly
Although in this case they could simply start the self-destruction in the nose.
But so it would not be interesting. I think the SpaceX tests are used also as media.
Alternatively, there might be some chance that SN15 would survive also a second landing. Even if not, they might learn a lot, how to make SN16+ to survive a second landing.
 
9:03 PM
@peterh Well they dismantled SN5, SN6, and BN1 so far, so they know how I suppose. The SPMT is basically there full time, so not like moving it is much of an extra cost.
Couple of good suggestions. This is one of the few places they have hold downs. So putting it on the pad, raises it up, makes it easier to inspect. Makes it easier to remove Raptors if desired (or not). The key item to watch is new legs arriving, which would be needed for a reflight.
 
 
2 hours later…
10:41 PM
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Q: Novel bacterial strains of bacteria first isolated on the International Space Station, did the space environment lead to these genetic changes?

uhohQuestion Methylobacterium ajmalii sp. nov., Isolated From the International Space Station (Bijlani et al. Frontiers in Microbiology, 12, 534) is a thorough analysis of "novel strains" of bacteria isolated from the International Space Station (Characterization of the total and viable bacterial and...

 

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