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Elon Musk’s Reddit AMA: Mars mission, upgrades to Falcon 9 and more

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Yesterday, Elon Musk oh-so-kindly reached out on reddit to curious minds in an “Ask Me Anything” (AMA) session as a follow up to his September 27, 2016 talk at the 67th International Astronautical Congress in Guadalajara, Mexico.

Thousands of questions were put forth by AMA contributors, and he provided 15 answers in true, Elon fashion. By that I mean taking fairly complicated questions and answering them in ways that make the original questions more understandable for the layperson (layperson = me). Also, one word responses to two-paragraph long questions.

General Outline of AMA Topics

Elon couldn’t put every inquiry to rest, but he did provide some interesting things to chew over. The audience, of course, actively participated every step of the way. Among the topics, there was…

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  • Discussion on the types of power to be used for energy in the initial base of operations on Mars: Bets were on solar, doubts were on nuclear, and Elon seemed to play the methane card by referencing the Sabatier Reaction;
  • A clarification on upgrades to the Falcon 9, including a new naming scheme that doesn’t exactly coincide with the current semi-scheme;
  • A broad outline of steps planned for setting up the initial Martian base, Elon referring to it as “Mars Base Alpha”;
  • Discussion on the technical clarifications, details, and priorities for actualizing the missions, including perhaps even changing the name of the rocket…again.

Oh and sadly, no details on any fantastic spray parks or coffee bars in the crew cabin. We’ll have to wait a “year or two” before knowing what’s actually going to go inside the thing. He did mention geodesic domes and underground tunnels for “city” considerations, though!

Top Takeaways (IMO)

While Elon’s remarks definitely set some mental wheels in motion, these were my top takeaways:

  • Elon believes that the final Falcon 9 booster will be able to be reused indefinitely, production on that version to start in about three months;
  • Early Mars missions will be cargo-centric, twelve-passenger crews assumed;
  • The transport system booster should be able to withstand 30 to 50 g’s without breaking up (20 being the usual expected amount);
  • SpaceX will release mockups of the Mars spacecraft interior “in a year or two”;
  • The transport system booster will have an easier time landing than Falcon 9 due to mass ratio and density differences.

[Author’s note: It is going to be insane to watch those boosters land. Can you imagine the Saturn V landing itself? Wowza.]

Of course, my favorite part of reddit (no, really) is the humor. Here are a couple of funnies from this thread:

Funny comments on Elon Musk AMA. Funny comments on Elon Musk AMA.

Final Words

Just a note of sympathy to anyone who’s ever felt a little overwhelmed by the technical knowledge discussions on the SpaceX subreddit (ahem, moi): I view it as akin to thinking you are a pretty knowledgeable cook and then watch an episode of Julia Child’s “The French Chef”. Just because you don’t know 182 ways to cook an egg doesn’t mean you’re not informed about cooking eggs nor are you disqualified from enjoying them. Some people just really really like knowing everything about eggs and can really get you thinking about eggs as multiple organ systems-turned gourmet meals instead of just the side that comes with your toast and home fries.

Onwards!

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Accidental computer geek, fascinated by most history and the multiplanetary future on its way. Quite keen on the democratization of space. | It's pronounced day-sha, but I answer to almost any variation thereof.

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Tesla FSD fleet is nearing 7 billion total miles, including 2.5 billion city miles

As can be seen on Tesla’s official FSD webpage, vehicles equipped with the system have now navigated over 6.99 billion miles.

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Tesla’s Full Self-Driving (Supervised) fleet is closing in on almost 7 billion total miles driven, as per data posted by the company on its official FSD webpage. 

These figures hint at the massive scale of data fueling Tesla’s rapid FSD improvements, which have been quite notable as of late.

FSD mileage milestones

As can be seen on Tesla’s official FSD webpage, vehicles equipped with the system have now navigated over 6.99 billion miles. Tesla owner and avid FSD tester Whole Mars Catalog also shared a screenshot indicating that from the nearly 7 billion miles traveled by the FSD fleet, more than 2.5 billion miles were driven inside cities. 

City miles are particularly valuable for complex urban scenarios like unprotected turns, pedestrian interactions, and traffic lights. This is also the difference-maker for FSD, as only complex solutions, such as Waymo’s self-driving taxis, operate similarly on inner-city streets. And even then, incidents such as the San Francisco blackouts have proven challenging for sensor-rich vehicles like Waymos. 

Tesla’s data edge

Tesla has a number of advantages in the autonomous vehicle sector, one of which is the size of its fleet and the number of vehicles training FSD on real-world roads. Tesla’s nearly 7 billion FSD miles then allow the company to roll out updates that make its vehicles behave like they are being driven by experienced drivers, even if they are operating on their own. 

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So notable are Tesla’s improvements to FSD that NVIDIA Director of Robotics Jim Fan, after experiencing FSD v14, noted that the system is the first AI that passes what he described as a “Physical Turing Test.” 

“Despite knowing exactly how robot learning works, I still find it magical watching the steering wheel turn by itself. First it feels surreal, next it becomes routine. Then, like the smartphone, taking it away actively hurts. This is how humanity gets rewired and glued to god-like technologies,” Fan wrote in a post on X. 

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Tesla starts showing how FSD will change lives in Europe

Local officials tested the system on narrow country roads and were impressed by FSD’s smooth, human-like driving, with some calling the service a game-changer for everyday life in areas that are far from urban centers.

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Credit: Grok Imagine

Tesla has launched Europe’s first public shuttle service using Full Self-Driving (Supervised) in the rural Eifelkreis Bitburg-Prüm region of Germany, demonstrating how the technology can restore independence and mobility for people who struggle with limited transport options. 

Local officials tested the system on narrow country roads and were impressed by FSD’s smooth, human-like driving, with some calling the service a game-changer for everyday life in areas that are far from urban centers.

Officials see real impact on rural residents

Arzfeld Mayor Johannes Kuhl and District Administrator Andreas Kruppert personally tested the Tesla shuttle service. This allowed them to see just how well FSD navigated winding lanes and rural roads confidently. Kruppert said, “Autonomous driving sounds like science fiction to many, but we simply see here that it works totally well in rural regions too.” Kuhl, for his part, also noted that FSD “feels like a very experienced driver.”

The pilot complements the area’s “Citizen Bus” program, which provides on-demand rides for elderly residents who can no longer drive themselves. Tesla Europe shared a video of a demonstration of the service, highlighting how FSD gives people their freedom back, even in places where public transport is not as prevalent.

What the Ministry for Economic Affairs and Transport says

Rhineland-Palatinate’s Minister Daniela Schmitt supported the project, praising the collaboration that made this “first of its kind in Europe” possible. As per the ministry, the rural rollout for the service shows FSD’s potential beyond major cities, and it delivers tangible benefits like grocery runs, doctor visits, and social connections for isolated residents. 

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“Reliable and flexible mobility is especially vital in rural areas. With the launch of a shuttle service using self-driving vehicles (FSD supervised) by Tesla in the Eifelkreis Bitburg-Prüm, an innovative pilot project is now getting underway that complements local community bus services. It is the first project of its kind in Europe. 

“The result is a real gain for rural mobility: greater accessibility, more flexibility and tangible benefits for everyday life. A strong signal for innovation, cooperation and future-oriented mobility beyond urban centers,” the ministry wrote in a LinkedIn post

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Tesla China quietly posts Robotaxi-related job listing

Tesla China is currently seeking a Low Voltage Electrical Engineer to work on circuit board design for the company’s autonomous vehicles.

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Credit: Tesla

Tesla has posted a new job listing in Shanghai explicitly tied to its Robotaxi program, fueling speculation that the company is preparing to launch its dedicated autonomous ride-hailing service in China. 

As noted in the listing, Tesla China is currently seeking a Low Voltage Electrical Engineer to work on circuit board design for the company’s autonomous vehicles.

Robotaxi-specific role

The listing, which was shared on social media platform X by industry watcher @tslaming, suggested that Tesla China is looking to fill the role urgently. The job listing itself specifically mentions that the person hired for the role will be working on the Low Voltage Hardware team, which would design the circuit boards that would serve as the nervous system of the Robotaxi. 

Key tasks for the role, as indicated in the job listing, include collaboration with PCB layout, firmware, mechanical, program management, and validation teams, among other responsibilities. The role is based in Shanghai.

China Robotaxi launch

China represents a massive potential market for robotaxis, with its dense urban centers and supportive policies in select cities. Tesla has limited permission to roll out FSD in the country, though despite this, its vehicles have been hailed as among the best in the market when it comes to autonomous features. So far, at least, it appears that China supports Tesla’s FSD and Robotaxi rollout.

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This was hinted at in November, when Tesla brought the Cybercab to the 8th China International Import Expo (CIIE) in Shanghai, marking the first time that the autonomous two-seater was brought to the Asia-Pacific region. The vehicle, despite not having a release date in China, received a significant amount of interest among the event’s attendees. 

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