Because if you launch something from Earth, you inherit the Earth’s orbital speed around the Sun. At that point, whatever you launched will just continue to orbit the Sun. It takes less energy to accelerate to a solar system exit trajectory than it does to scrub off all of the excess velocity and end up on a trajectory that intersects the Sun.

Even the Stream version doesn’t require Steam. You can just run the executable. A few folks over on Reddit claim they’ve given the game to their friends just by copying the files from an external drive.

Most of the Falcon 9 launches are for Starlink and are paid for by SpaceX themselves. How is that “the government subsidizing them”? If you want to argue that they’re using money they got from NASA to fund those launches, is your plumber feeding their family from you subsidizing their life?

There’s two main benefits: faster reuse and more payload to orbit.

A Falcon 9 landing on a drone ship needs to be transported back to shore. That’s multiple days before the engineers even get their hands on it to prepare for the next flight. The design goal of Starship is to launch a Ship into orbit, return to the tower, be restacked, refuelled and launched again in the same day. Will they actually get it to the point where that’s possible? Remains to be seen. Until now, they had no way to see what real stresses a Starship booster goes through in a flight. They’re gonna rip this one apart down to the spacers in its bolts to examine it. With the flight and physical inspection data, they’ll make what improvements they can to the already built boosters and design future boosters to be more resilient. SpaceX has, by now, a well proven track record of doing what others think is insane to even attempt. If anyone can launch the same rocket twice in a day, there’s no one better to give it a try.

The increased payload comes from not having the mass of the landing legs. The Falcon’s landing legs weigh several tons. Starship, being 3x the diameter and 10x the mass, would need titanic landing legs. That’s a lot of tonnage you won’t be taking to orbit. Catching on the tower means that all but a fraction of the landing hardware’s mass isn’t on the rocket itself. As an additional benefit, the landing hardware needs to be built only once. Every Falcon has its own landing legs, but every Starship they ever build could land on the one tower they have now. That won’t be the case, they’re planning to build multiple towers, but the sentiment remains the same.

Well, off the top of my head, the main issues are going to be the sleds, the rails and how much they allow to reduce the mass of the plane itself.

Accelerating the sled with something other than the vehicle’s main engines makes the most sense. Otherwise you’ve just overcomplicated a runway and end up back in the pit of spaceplane-style SSTOs. So assuming they’re gonna boost the sled, how? I don’t think liquid engines have the yeet to get up to a worthwhile speed on the rather short rail. Solid boosters? They have yeet, but once you’ve lit them, you can’t really turn them off and that leaves you with woefully few abort options between ignition and launch. Electromagnetic? Getting enough yeet is a matter of enough (and big enough) capacitors, but the rail erosion is going to be worse from the sheer waste heat. And any attempt at recovery of the sleds will require the rails to be extended to decelerate them. Cause you’ll want to get the vehicle going as fast as possible, within the limits of what the structure and payload (alive or inert) can handle. But once you’ve done that, you’re not gonna hard stop the sled and reasonably expect to recover anything but twisted metal and composites.

The other question is how much is it gonna help in reducing the vehicle’s mass? The friction from doing even Mach 1 near sea level means the vehicle has to be reinforced to handle it, maybe even require active cooling of the hull. So that’s going to cut into whatever extra payload mass they’d get from the launch speed. And the vehicle’s engines will still need to work damn hard to climb up the well, in which case low Mach numbers aren’t going to do much and might actually be counterproductive thanks to the high drag.

My most insane, pie in the sky, they’ll-never-try-this idea? The rail is angled up a mountainside at about a 45 degree angle. Electromagnetically accelerated, it’s basically a huge Gauss cannon and the sled yeets off with a 4g acceleration. By the time it reaches the end, it’s going at about Mach 1.5, at an altitude of 2-3km, at which point the vehicle lights its engines and disconnects from the sled (Spinlaunch has shown that fraction of a second precise release is possible). The plane continues to ascend, the sled just fucking runs off the rail and coasts to peak altitude, then deploys parachutes to descend back to the ground. But this is an entirely unreasonable idea. Construction and maintenance would be ludicrously complicated and harried by environmental concerns. The energy required would probably be comparable to that of a small town. There’s way too much risk of the sled colliding with the plane at the end of the rail, not to mention the parachute descent. On the other hand, goddamn, it would be awesome!

The skepticism is reasonable. The theoretical principles are sound and there’s a lot of math (done by actual scientists and engineers, as well as sci-fi writers) to show that, in some form, it would work. But this is a huge undertaking that’s never really been tried before, so no one really knows how difficult (and expensive) building and operating it is going to be. Honestly, I expect this to fall apart before they begin high altitude suborbital tests of the rail launch system. On the other hand, it’s such wonderful sci-fi shit that I can’t help but root for them. If they can secure the funding to continue developing this, it’s gonna be fascinating!

The rail launch is going to be interesting. Presumably, the sled is separately accelerated, to give the vehicle a little kick and save propellant. It won’t be much, even a 4g acceleration would only get it up to roughly Mach 1.5 before it runs out of rail, but it’s not nothing either. And unless the sleds are single-use, they’ll need to decelerate them somehow.

But man, bring it on! The premise of initially accelerating a vehicle on a rail or launch loop, before the vehicle’s own engines kick in, is probably the closest we can get to SSTO from Earth. At least without using nuclear propulsion.

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Fingers crossed this woman doesn’t end up with a Zydrate addiction. It comes in a little glass vial, you know.

NASA has the measurements of all their astronauts and Dragon flight suits for Butch and Suni are already made.

It’s stronger than aluminium, as well as easier to manufacture and work in less-than-ideal conditions than carbon fiber. Useful traits when your end goal is to build a whole fuckton of the biggest, most capable, fully reusable rockets in history.

Crew Dragon has been solely responsible for the US side of ISS rotations for four years, without incident. 8 successful missions, not counting the privately funded trips. Cargo Dragon has been doing resupply missions since 2012.

Yep. And if they fail to deliver on the lofty expectations they’ve created here, the backlash is going to be epic. I don’t want to root for their downfall, but… Imma stock up on popcorn.

A lot of that time, if not the vast majority, is likely performance testing. That’s trivial to automate and can be run across 100+ systems simultaneously.

Because now it’s practically a necessity. Before that, you could easily not put a case on your phone, exercise some basic care with it and you would’ve been fine. None of my previous phones had a case on them. Not a one. Because I don’t drop them, I don’t throw them and I don’t use them for hammering in bolts or whatever. But the camera bump finally got me to put a case on my phone, because the damn thing not sitting flat on a flat surface annoyed me too much.

Admittedly, I’m not up to date on how the preparation is going, but a Space News article from last month claims they’re still looking good for the launch window. Blue may have hoped that ESCAPADE wouldn’t be the very first launch, but that ship has sailed. Wouldn’t count them out just yet, not until some critical failure lifts its ugly head. But for my money, the most likely, and most disappointing, outcome is that they scrub due to technical problems and end up missing the window. First launches rarely go off without a hitch. Still gonna be rooting for them and watching whatever stream is available.

I’m glad to see Blue starting to aim high, but all of this is heavily dependent on New Glenn’s first flight going well. Fingers crossed, there’s no major problems with the rocket and they can remain on track for this mission.

Gamers when the game has bugs: >:(

Gamers when the devs delay a patch because they discovered it breaks a core system: >:(

They’re trying to fix bugs, not make existing ones worse. Deal with it, princess.

Cause no one wants to look like the idiot. And when no one has read the article, it’s a lot harder to dispute the claims of what the article is about. It’s a vicious cycle - someone who hasn’t read the actual article makes claims about it, others who also haven’t read it react and before you know it, you’re ten posts deep, arguing about something that may or may not have happened. All it takes is one person to make an under-informed post and another to pick up on it. The difference between thousands and millions of users affects only the probability of it happening.

They’re probably still poring over the data. Telemetry from the temperature sensors, the feeds from the internal cameras, data from the booster and why two of its engines failed and so on. Most likely also data on what and how many TPS tiles S29 lost on the way down, I doubt the video feeds were their only way of checking those All in all, it’s gotta be terabytes of data to sort through and analyze

They did leave two tiles off the aft end and put in a thinner tile. Possible that those spots burned through and damaged the sensors, but the sea-level engines were healthy enough to still work.