… But we can approach this the other way too, looking at capitalism rather than engineering. As Adam Smith didn’t quite say (but as I do, often) capitalists are lazy, stupid and greedy. Finding that new way to make money is really difficult. So, very few try. Once someone does try and find then all the lazy — and greedy, did I mention that? — capitalist bastards copy what is being done. This hauls vast amounts of capital into that area, competition erodes the profits being made by the pioneer and the end result is that it’s consumers who make out like bandits. The result (here) is that the entrepreneur makes 3% or so of the money and the consumers near all the rest. This is the very thing that makes this capitalist and free market thing work.
Tim Worstall, “Folks Are Copying SpaceX – That’s How Capitalism Works”, It’s all obvious or trivial except …, 2024-09-16.
December 17, 2024
QotD: Capitalism is a combination of laziness, stupidity, and greed
September 14, 2023
Scott Alexander reviews the (old) Elon Musk biography
It’s okay, he makes it clear from the start that he’s talking about Ashlee Vance’s earlier work, not the one that just hit the shelves this year:
Elon Musk at the 2015 Tesla Motors annual meeting.
Photo by Steve Jurvetson via Wikimedia Commons.
This isn’t the new Musk biography everyone’s talking about. This is the 2015 Musk biography by Ashlee Vance. I started reading it in July, before I knew there was a new one. It’s fine: Musk never changes. He’s always been exactly the same person he is now.1
I read the book to try to figure out who that was. Musk is a paradox. He spearheaded the creation of the world’s most advanced rockets, which suggests that he is smart. He’s the richest man on Earth, which suggests that he makes good business decisions. But we constantly see this smart, good-business-decision-making person make seemingly stupid business decisions. He picks unnecessary fights with regulators. Files junk lawsuits he can’t possibly win. Abuses indispensable employees. Renames one of the most recognizable brands ever.
Musk creates cognitive dissonance: how can someone be so smart and so dumb at the same time? To reduce the dissonance, people have spawned a whole industry of Musk-bashing, trying to explain away each of his accomplishments: Peter Thiel gets all the credit for PayPal, Martin Eberhard gets all the credit for Tesla, NASA cash keeps SpaceX afloat, something something blood emeralds. Others try to come up with reasons he’s wholly smart – a 4D chessmaster whose apparent drunken stumbles lead inexorably to victory.
Elon Musk: Tesla, SpaceX, And The Quest For A Fantastic Future delights in its refusal to resolve the dissonance. Musk has always been exactly the same person he is now, and exactly what he looks like. He is without deception, without subtlety, without unexpected depths.
The main answer to the paradox of “how does he succeed while making so many bad decisions?” is that he’s the most focused person in the world. When he decides to do something, he comes up with an absurdly optimistic timeline for how quickly it can happen if everything goes as well as the laws of physics allow. He – I think the book provides ample evidence for this – genuinely believes this timeline,2 or at least half-believingly wills for it to be true. Then, when things go less quickly than that, it’s like red-hot knives stabbing his brain. He gets obsessed, screams at everyone involved, puts in twenty hour days for months on end trying to try to get the project “back on track”. He comes up with absurd shortcuts nobody else would ever consider, trying to win back a few days or weeks. If a specific person stands in his way, he fires that person (if they are an employee), unleashes nonstop verbal abuse on them3 (if they will listen) or sues them (if they’re anyone else). The end result never quite reaches the original goal, but still happens faster than anyone except Elon thought possible. A Tesla employee described his style as demanding a car go from LA to NYC on a single charge, which is impossible, but he puts in such a strong effort that the car makes it to New Mexico.
This is the Musk Strategy For Business Success; the rest is just commentary.
1. Vance starts with the story of the biography itself. When Musk learned he was being profiled, he called Vance, threatened that he could “make [his] life very difficult”, and demanded the right to include footnotes wherever he wanted telling his side of the story. When Vance said that wasn’t how things worked, Elon invited him to dinner to talk about it. Elon arrived late, and spent the first few courses talking about the risk of artificial superintelligence. When Vance tried to redirect the conversation to the biography, Elon abruptly agreed, gave him unprecedented access to everyone, and won him over so thoroughly that the book ends with a prediction that Musk will succeed at everything and become the richest man in the world (a bold claim back in 2015).
I like this story but find myself dwelling on Musk’s request — why shouldn’t he be allowed to read his own biography before publication and include footnotes giving his side of the story where he disagrees? That sounds like it should be standard practice! If I ever write a post about any of you and you disagree with it, feel free to ask me to add a footnote giving your side of the story (or realistically I’ll put it in an Open Thread).
2. The book gives several examples of times Musk almost went bankrupt by underestimating how long a project would take, then got saved by an amazing stroke of luck at the last second. When Vance asked him about his original plan to get the Falcon 1 done in a year, he said:
“Reminded about the initial 2003 target date to fly the Falcon 1, Musk acted shocked. ‘Are you serious?’ he said. ‘We said that? Okay, that’s ridiculous. I think I just didn’t know what the hell I was talking about. The only thing I had prior experience in was software, and, yeah, you can write a bunch of software and launch a website in a year. No problem. This isn’t like software. It doesn’t work that way with rockets.”
But also, the employees who Vance interviewed admit that whenever Musk asks how long something will take, they give him a super-optimistic timeline, because otherwise he will yell at them.
3. I wondered whether Elon was self-aware. The answer seems to be yes. Here’s an email he wrote a friend:
“I am by nature obsessive compulsive. In terms of being an asshole or screwing up, I’m personally as guilty of that as anyone, and am somewhat thick-skinned in this regard due to large amounts of scar tissue. What matters to me is winning, and not in a small way. God knows why … it’s probably [rooted] in some very disturbing psychoanalytical black hole or neural short circuit.”
September 11, 2023
The DOJ versus SpaceX
I was a bit boggled when the US Justice Department announced it was going after Elon Musk’s SpaceX for alleged discriminatory hiring practices:
Image from SpaceX website.
The Justice Department recently filed a lawsuit against SpaceX, the California-based spacecraft manufacturer and satellite communications company founded by Elon Musk.
In its lawsuit, the DOJ accused SpaceX of only hiring U.S. citizens and green-card holders, thereby discriminating against asylees and refugees in hiring, an alleged violation of the Immigration and Nationality Act.
Musk denied the allegations and accused the government of weaponizing “the DOJ for political purposes”.
“SpaceX was told repeatedly that hiring anyone who was not a permanent resident of the United States would violate international arms trafficking law, which would be a criminal offense,” Musk wrote on X, formerly known as Twitter.
It’s uncertain if the DOJ is actually targeting SpaceX (more on that in a minute), but George Mason University economist Alex Tabarrok quickly found a problem with the DOJ’s allegations.
“Do you know who else advertises that only US citizens can apply for a job?” Tabarrok asked. “The DOJ.”
Tabarrok even brought the receipts: a screenshot of the DOJ job website that explicitly states, “U.S. Citizenship is Required.”
So, if Musk is discriminating against non-U.S. citizens in his hiring practices, so is the DOJ.
This makes the lawsuit prima facie absurd on one level. However, one could also argue that there could be good reasons to discriminate in hiring. And as is usually the case, for better or worse, the government gets to decide when it’s OK to discriminate and when it’s not OK.
And that’s where things get hazy.
Musk and others claim that companies such as SpaceX are legally required to hire U.S. citizens because of International Traffic in Arms Regulations, a federal regulatory framework designed to safeguard military-related technologies.
The DOJ disagrees. So who is right? It’s difficult to say, Tabarrok pointed out.
“The distinction, as I understand it, rests on the difference between US Persons and US Citizens,” he wrote on Marginal Revolution, “but [SpaceX is] 100% correct that the DoD frowns on non-citizens working for military related ventures.”
In other words, SpaceX appears to have been trying to comply with Department of Defense regulations by not using non-citizens in military-related work, and in doing so, it may have run afoul of the DOJ.
June 21, 2023
Was Starship’s Stage Zero a Bad Pad?
Practical Engineering
Published 20 Jun 2023Launchpads are incredible feats of engineering. Let’s cover some of the basics!
Unlike NASA, which spends years in planning and engineering, SpaceX uses rapid development cycles and full-scale tests to work toward its eventual goals. They push their hardware to the limit to learn as much as possible, and we get to follow along. They’re betting it will pay off to develop fast instead of carefully. This video compares the Stage 0 launch pad to the historic pad 39A.
(more…)
February 14, 2022
Why SpaceX Cares About Dirt
Practical Engineering
Published 2 Nov 2021Why do structures big and small sink into the ground, and what can we do to stop it?
Before the so-called Starbase supported crazy test launches of the Starship spaceflight program, it was just a pile of dirt. After nearly two years, they hauled most of that soil back off the site for disposal. It might seem like a curious way to start a construction project, but foundations are critically important. Building that giant dirt pile was a clever way to prevent these facilities from sinking into the ground over time.
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September 2, 2021
Charles Stross predicts that Elon Musk will become a multi-trillionaire
Charles Stross isn’t exactly a fan of Musk’s, but he outlines why he thinks Musk is on a potentially multi-trillion dollar path:
Elon Musk at the 2015 Tesla Motors annual meeting.
Photo by Steve Jurvetson via Wikimedia Commons.
So, I’m going to talk about Elon Musk again, everybody’s least favourite eccentric billionaire asshole and poster child for the Thomas Edison effect — get out in front of a bunch of faceless, hard-working engineers and wave that orchestra conductor’s baton, while providing direction. Because I think he may be on course to become a multi-trillionaire — and it has nothing to do with cryptocurrency, NFTs, or colonizing Mars.
This we know: Musk has goals (some of them risible, some of them much more pragmatic), and within the limits of his world-view — I’m pretty sure he grew up reading the same right-wing near-future American SF yarns as me — he’s fairly predictable. Reportedly he sat down some time around 2000 and made a list of the challenges facing humanity within his anticipated lifetime: roll out solar power, get cars off gasoline, colonize Mars, it’s all there. Emperor of Mars is merely his most-publicized, most outrageous end goal. Everything then feeds into achieving the means to get there. But there are lots of sunk costs to pay for: getting to Mars ain’t cheap, and he can’t count on a government paying his bills (well, not every time). So each step needs to cover its costs.
What will pay for Starship, the mammoth actually-getting-ready-to-fly vehicle that was originally called the “Mars Colony Transporter”?
Starship is gargantuan. Fully fuelled on the pad it will weigh 5000 tons. In fully reusable mode it can put 100-150 tons of cargo into orbit — significantly more than a Saturn V or an Energiya, previously the largest launchers ever built. In expendable mode it can lift 250 tons, more than half the mass of the ISS, which was assembled over 20 years from a seemingly endless series of launches of 10-20 ton modules.
Seemingly even crazier, the Starship system is designed for one hour flight turnaround times, comparable to a refueling stop for a long-haul airliner. The mechazilla tower designed to catch descending stages in the last moments of flight and re-stack them on the pad is quite without precedent in the space sector, and yet they’re prototyping the thing. Why would you even do that? Well, it makes no sense if you’re still thinking of this in traditional space launch terms, so let’s stop doing that. Instead it seems to me that SpaceX are trying to achieve something unprecedented with Starship. If it works …
There are no commercial payloads that require a launcher in the 100 ton class, and precious few science missions. Currently the only clear-cut mission is Starship HLS, which NASA are drooling for — a derivative of Starship optimized for transporting cargo and crew to the Moon. (It loses the aerodynamic fins and the heat shield, because it’s not coming back to Earth: it gets other modifications to turn it into a Moon truck with a payload in the 100-200 ton range, which is what you need if you’re serious about running a Moon base on the scale of McMurdo station.)
Musk has trailed using early Starship flights to lift Starlink clusters — upgrading from the 60 satellites a Falcon 9 can deliver to something over 200 in one shot. But that’s a very limited market
As they say, read the whole thing.
July 25, 2021
The Line editors clearly loved crafting their “Dicks in space!” headline
As a fellow space nerd, I welcome the editors of The Line to our number:
You’ve probably noticed by now that your Line editors are space enthusiasts. It’s been an interesting few weeks on that front. Sir Richard Branson flew out of the atmosphere, into free-fall (not zero-G, you scientific illiterates!), on a Virgin Galactic space plane. That said, he didn’t get high enough to cross the Kármán line, which, in the absence of any real international agreement on where the Earth ends and space begins, is as close as we come to a functional definition of the edge of space. (It’s an altitude of 100 km, for those wondering.) Jeff Bezos, of Amazon wealth and fame, did cross that line this week, along with three passengers, including Wally Funk, which was cool, if you’re into that sort of thing. (We are.) Bezos was riding a Blue Origin New Shepard rocket; Blue Origin is a company he founded and funded with his own gigantic wealth.
Look, let’s face facts — your Line editors are into space. We just are. But yeah, we agree that space policy is important enough and complicated enough to warrant debate. Reasonable people can have different views on this stuff. And we also agree that there are important debates to have about the accumulated wealth of billionaires, and the distorting effects that wealth can have on politics and society.
But unlike a bunch of ya’ll, we don’t get confused about a debate over income inequality and a debate over space travel. You can despise Bezos, Amazon and everything he’s done there, and still recognize that what he is doing on the space front is important. Everyone rolling their eyes at Bezos matching space flight capabilities that the Soviets and Americans achieved literally 60 years ago is allowing their desire to rack up some sweet Twitter likes with a snarky dunk blind themselves to the fact that Bezos (and Elon Musk’s SpaceX, which is way ahead of Blue Origin) aren’t just recreating earlier capabilities, they are massively improving on them.
So yeah, Blue Origin can now do what the Soviets and U.S. could do 60 years ago, but they’re doing it more safely, more efficiently and much, much more sustainably than national space agencies did. Reusability isn’t a frill, it’s a massive game-changer. And as much fun as it is to snort when these private-sector companies recreate an existing capability, do you really think they’re going to stop there?
Branson’s company could be written off as a tourism play for the affluent. Fair enough. Except that making space flight economically viable is the first step to ensuring that capability is both sustainable and more broadly accessible in the long run. Further, Bezos and especially Musk are inventing new and transformative space-flight capabilities. They are materially pushing back against the final frontier in ways that we simply have not before. It won’t matter unless we choose to do anything with these new capabilities, and your guess is as good as ours as to whether or not we will. But we could. That’s huge.
As huge as the gigantic dick-shaped rocket Bezos rode up. Yeah, yeah. We snorted, too. But, like, seriously, folks — making penis jokes about the shape of an object dictated by aerodynamic considerations isn’t quite as witty as you think: the rockets are shaped like penises because they literally have to be in order to work. Having a giggle is fine, but if you actually think you’re making a real point about misogyny and fragile male egos when you get snippy (ahem) about a schlong-shaped rocket, well, we’d love to see what happens when your very emotionally vigorous and feminist vagina-shaped space vehicle hits max Q. So long as we aren’t aboard it or in the landing area for its hurtling debris.
Our main point still stands: don’t let your cynicism and even revulsion at these guys blind you to what they’re doing. Bezos isn’t gonna stop at Yuri Gagarin-vintage accomplishments. Musk sure hasn’t. This’ll matter. It’s time to get serious. They are.
June 26, 2019
“… what’s happening now is even better than Apollo”
At Popular Mechanics, Joe Pappalardo reminds us that the 50th anniversary of the Apollo 11 lunar landing is coming up next month, but that current developments in space are worth celebrating too:
Astronaut Buzz Aldrin, lunar module pilot, stands on the surface of the moon near the leg of the lunar module, Eagle, during the Apollo 11 moonwalk. Astronaut Neil Armstrong, mission commander, took this photograph with a 70mm lunar surface camera. While Armstrong and Aldrin descended in the lunar module to explore the Sea of Tranquility, astronaut Michael Collins, command module pilot, remained in lunar orbit with the Command and Service Module, Columbia.
Apollo was born of Cold War desperation: a political exercise that paid enormous scientific and technological dividends. After the launch of Sputnik in 1957, it became vital to beat the Soviet Union to the Moon, a geopolitical urge that created an enormous budgetary effort.
The problem with politically motivated — well, anything — is that the faucet of support can be closed just as quickly as it opened. It happened to Apollo, as follow on missions were cancelled and the focus shifted to a reusable craft to service low-earth orbit. This pattern of shifting space priorities and strategies whipsawed NASA, most noticeably when the Obama administration’s cancellation of the Bush-era Constellation moon program in 2010.
But multiple private companies pursuing their niches in space have an obvious redundancy. While companies may rise and fall, the very nature of a commercial effort isn’t as dependent on government funding. If it’s worth doing, especially if it makes money, space industry will endure political shifts. The objectives of a well-run company do not change that much every four years.
That leaves today’s NASA with a choice: Do it themselves and control everything (the traditional way), or fund private companies to develop the tech the agency needs and then allow them to sell their services to any nation, company, or individual (the new way). With those services on the open market, NASA would be one of many customers for a new U.S.-based space economy.
This debate is boiling over right now. The ongoing effort to return to the moon, called Artemis (after Apollo’s sister), is becoming a lesson in the advantages of the commercial model.
[…]
If only investment guaranteed results. For those who miss bloated, government-run spaceflight, there is already a NASA spacecraft mired in the old ways of thinking. The feds have sunk a lot of money into the Space Launch System, a mega-rocket built to NASA specs for deep space missions. It was supposed to fly in 2017, but we’ll be lucky to see a first flight in 2020 — and it busted the $9.7 billion estimated budget, now costing about $12 billion.
But something happened during these SLS delays: the commercial space industry started delivering on its promises. Most visibly, private firms have been delivering supplies to the International Space Station for years and (hopefully soon) will ferry astronauts as well. Blue Origin and SpaceX has started development of crewed spacecraft able to reach to the moon and Mars. Elon Musk even sold a moon trip to a Japanese billionaire.
February 13, 2018
Elon Musk as Heinlein’s Delos D. Harriman – “Selling the moon is just what Musk is doing”
I suspect I’d recognize a lot of the books in Colby Cosh‘s collection, as we’re both clearly Robert Heinlein fans. In a column yesterday, he pointed out the strong parallels between Heinlein’s fictional “Man Who Sold the Moon” and his closest counterpart in our timeline, Elon Musk:
Written between 1939 and 1950 for quickie publication in pulp magazines, the Future History is a series of snapshots of what is now an alternate human future — one that features atomic energy, solar system imperialism, and the first steps to deep space, all within a Spenglerian choreography of social progress and occasional resurgent barbarity. It stands with Isaac Asimov’s Foundation trilogy as a monument of golden-age science fiction.
[…]
The result, in the key story of the Future History, is an uncannily accurate description of the design and launch of a Saturn V rocket. (Written before 1950, remember.) But because Heinlein happened not to be interested in electronic computers, all the spacefaring in his books is done with the aid of slide rules or Marchant-style mechanical calculators (which, in non-Heinlein history, had to become obsolete before humans could go to Luna at all). Heinlein sends people to colonize the moon, but nobody there has internet, or is conscious of its absence.
Given that his ideas about computers were from the pre-computer era and even the head of IBM thought there’d be a worldwide demand for a very small number of his company’s devices, that’s not surprising at all. In one of his best novels, a single computer runs almost all of the life support, heat, light, transportation and communication systems on Luna … and is self-aware, but lonely. In later works where computers appear, they tend to be individual personalities or even minor characters, but they’re anything but ubiquitous: powerful, but rare.
I suspect the lack of an internet-equivalent derives both from the nature of his conception of how computing would progress and a form of the Star Trek transporter problem – it solves too many plot issues that could otherwise be usefully woven into stories.
The “key story” I just mentioned is called “The Man Who Sold The Moon.” And if you’re one of the people who has been polarized by the promotional legerdemain of Elon Musk — whether you have been antagonized into loathing him, or lured into his explorer-hero cult — you probably need to make a special point of reading that story.
The shock of recognition will, I promise, flip your lid. The story is, inarguably, Musk’s playbook. Its protagonist, the idealistic business tycoon D.D. Harriman, is what Musk sees when he looks in the mirror.
“The Man Who Sold The Moon” is the story of how Harriman makes the first moon landing happen. Engineers and astronauts are present as peripheral characters, but it is a business romance. Harriman is a sophisticated sort of “Mary Sue” — an older chap whose backstory encompasses the youthful interests of the creators of classic pulp science fiction, but who is given a great fortune, built on terrestrial transport and housing, for the purposes of the story.
January 7, 2018
Carbon Fiber – The Material Of The Future?
Real Engineering
Published on 27 Feb 2017
September 28, 2017
Back to the Moon in 2019?
Charles Stross thinks a US circumlunar expedition is on the cards for just two years ahead, and he might well be right:
If Donald Trump is still president, US astronauts will return to circumlunar space around July 16th, 2019 …
That’s the 50th anniversary of the launch of Apollo 11. It’s also 6-12 months on from the projected date of Musk’s translunar tourist trip on a Falcon Heavy.
I expect Falcon Heavy to be delayed a few months, minimum, because no new launch vehicle ever flies on time, especially a crew-rated one, but it’s currently due to fly around December this year for the first time, with a vehicle currently undergoing integration at Cape Canaveral and commercial orders for subsequent flights. It’s rather hard to describe it as vaporware at this point. The same goes for the Dragon 2 crewed capsule; it’s due for a first uncrewed orbital flight test in March 2018, and a crewed orbital test flight later in 2018.
[…]
I’m making this a prediction, however, because the POTUS factor.
July 2019 lies within the term in office of Donald Trump (or Mike Pence, depending whether impeachment/removal has happened first then). Trump is nothing if not an egomaniac, and offering him the opportunity to make a historic phone call to lunar orbit in front of the TV cameras is a guaranteed ego-stroke. Trump is of an age to have young-adult memories of Apollo and I can’t see the idea not appealing to him if he can take credit for it.
So I’m betting that this is how Musk will fund development of his lunar-orbit capability.
(Terms and conditions: prediction invalid in event of nuclear war, global environmental or economic collapse, Trump and Pence both being impeached, or a Dragon 2 capsule exploding in flight, because any of these things might impact the launch schedule.)
Note: Charles is quite a fan of the impeachment scenario, if you hadn’t picked that up from context. The fact that he’s very much not a Trump fan actually makes his prediction that much more striking: he has no interest or desire to see Trump get a propaganda coup to end his term in office.
March 10, 2017
The two Elon Musks – the savvy businessman and the crony capitalist
In The Federalist, Eric Peters describes the ways Elon Musk and his SpaceX crew manage to profit from government subsidies in the process of putting their Falcon rockets into space:
Image from SpaceX website.
Today, the National Aeronautics and Space Administration specializes in putting taxpayer dollars into the pockets of crony capitalist chieftains such as Elon Musk, whose SpaceX operation manages to get NASA to pay him to use its launch pads and other infrastructure — all provided at taxpayer expense. He also doesn’t cut NASA in when he uses its facilities — our facilities — to launch rockets carrying private cargo, meaning he effectively gets paid for it twice.
That’s once in the check he gets from the private business whose cargo his rocket is carrying; then again in the de facto subsidy he gets for the free use of NASA’s equipment at the Kennedy Space Center in Florida. Why isn’t Elon paying the freight, as opposed to blowing it up?
Incidentally, that happens a lot. Over the past five years alone, SpaceX has lost the same number of rockets as NASA did space shuttles over the 30 years it operated them. And the shuttle wasn’t a money-making machine for politically connected crony capitalists such as Musk. Taxpayers funded it, but no private citizens got a check from taxpayers.
The shuttle even made some money for taxpayers. Private businesses paid NASA to carry satellites into orbit, recovering some of the cost of building that infrastructure. The shuttle also did things useful for the public, like put the Hubble telescope in orbit. It has given humanity an unprecedented view of the universe, and not on pay-per-view.
I read a biography of Elon Musk soon after it was published … and it did a good job of pushing a more sympathetic view of its subject than the linked article above.
March 3, 2017
“Apollo 8 altered the self-perception of our species forever”
Colby Cosh contrasts the insane bravado of John F. Kennedy’s moonshot announcement with the more recent insane bravado of Elon Musk and SpaceX:
SpaceX, the private rocketry company founded in 2002 by billionaire adventurer Elon Musk, says it is developing plans to fly two unnamed persons to the moon late in 2018. This announcement has created both skepticism and alarm. This is, I think, partly a matter of confusion about prepositions.
If I announced that, despite being Canada’s most sedentary citizen, I was going to Mount Everest next week, you would probably know better than to assume I was going UP the mountain. SpaceX’s proposal is to send a manned spacecraft beyond the moon. That’s the word they use in the SpaceX press release, and whoever chose it should get a big fat bonus. “Beyond” is an English word of unparalleled connotative power and romance.
But, of course, going beyond the moon — more prosaically, looping around it and coming back — is much, much simpler than landing ON it. It is probably not a fantastically difficult challenge, and the company’s zany-sounding timeline may be justified. (Mind you, this is not a prediction.)
Even if you are old enough to have followed the golden age of spaceflight as it happened, you may not understand or remember the half-insane ambition of John F. Kennedy’s original proposal to land men on the moon. For young and old, the moment that the Apollo 11 lunar module landed on the Sea of Tranquility tends to obscure everything else about the tale in retrospect. But no U.S. astronaut had orbited the Earth yet when JFK threw down the gauntlet. No spaceship had photographed, much less touched, the moon.
Taken by Apollo 8 crew member Bill Anders on December 24, 1968, at mission time 075:49:07 (16:40 UTC), while in orbit around the Moon, showing the Earth rising for the third time above the lunar horizon. The lunar horizon is approximately 780 kilometers from the spacecraft. Width of the photographed area at the lunar horizon is about 175 kilometers. The land mass visible just above the terminator line is west Africa. Note that this phenomenon is only visible to an observer in motion relative to the lunar surface. Because of the Moon’s synchronous rotation relative to the Earth (i.e., the same side of the Moon is always facing Earth), the Earth appears to be stationary (measured in anything less than a geological timescale) in the lunar “sky”. In order to observe the effect of Earth rising or setting over the Moon’s horizon, an observer must travel towards or away from the point on the lunar surface where the Earth is most directly overhead (centred in the sky). Otherwise, the Earth’s apparent motion/visible change will be limited to: 1. Growing larger/smaller as the orbital distance between the two bodies changes. 2. Slight apparent movement of the Earth due to the eccenticity of the Moon’s orbit, the effect being called libration. 3. Rotation of the Earth (the Moon’s rotation is synchronous relative to the Earth, the Earth’s rotation is not synchronous relative to the Moon). 4. Atmospheric & surface changes on Earth (i.e.: weather patterns, changing seasons, etc.).
NASA photo via Wikimedia.
September 8, 2016
QotD: The US space program was “a WPA for engineers instead of artists”
… even when uttered by the First Lady of the American Screen, any blather about the constellations leaves me as cold as Neptune. Yes, as a teenager, I obediently watched Cosmos like everyone else. But neither Carl Sagan’s corduroy charisma nor those glossy special effects fired up my heart and brain, any more than all those NASA expeditions to vacant rocks in the sky that had punctuated my childhood (and interrupted my cartoons).
The space program was a spectacular waste of extorted tax dollars, a WPA for engineers instead of artists. Watching nerdy small-government libertarians swoon in pathetic conformity over Apollo and SpaceX proves once again that Conquest’s Laws are bunk: Everyone is, in fact, a raving liberal when it comes to his pet passion. Elon Musk is a welfare queen.
Bores insist that the space program has spun off a host of indispensable inventions, but these they can rarely name, and besides, such wonders, if truly crucial, would have been developed anyhow — perhaps even faster, and more cheaply, had the government left trillions in stolen cash in the hands of private enterprise.
Perhaps some readers will find my opinions more palatable if phrased this way: “Federally funded spaceflight is the quintessential neoconservative project: a giant, wasteful crusade designed to fill Americans’ supposedly empty lives with meaning.”
Kathy Shaidle, “The Lovers, the Dreamers, Not Me”, Taki’s Magazine, 2016-08-23.
December 30, 2015
Elon Musk, Jeff Bezos and the future of spaceflight
Colby Cosh on the real significance of the private space companies’ successes:
The science fiction authors who originally imagined spaceflight thought it would be classically capitalistic in nature — a Wild West of chancers, gold-diggers, outlaws, and even slave-traders transposed to the skies. It ended up, in its first incarnation, being a government program. This had the merit of showing that some impossible technical problems could be solved if you threw near-infinite resources and human lives at them. But the money and will ran out before NASA got around to figuring out how to make orbital spaceflight truly routine. Reusable rockets are the important first step that NASA didn’t have time to try in the Golden Age, under the pressure of a “space race” between governments.
Musk and Bezos are trying, I think very consciously, to revive the public interest and inspiration that this race narrative once brought. When SpaceX stuck its landing this week, having previously had a couple of flops, Bezos tweeted “Welcome to the club!” Musk will not mind the cheap shot too much. Bezos is doing him a favour by making a game of it.
It is hard for us to feel passion about accounting, even when “accounting” translates to cheaper satellite technology that means subtle advances in science and cost cuts in earthbound communications tech. Anything you can turn into a mere clash of personalities will get the attention of journalists and readers more readily. Musk and Bezos are exploiting their position as two of the great stage characters of our day.
The benefit they’re really going for is to bring a slightly larger margin of the human neighbourhood within reach for spaceships assembled on orbital platforms — the only practical kind of spaceship, as it seems to have turned out. Routine orbital access means affordable space tourism; it means possible Mars missions predicated on traditional exploration/adventure motives; it means deeper scientific scrutiny and even commercial study of the Moon, the asteroids, perhaps the inner planets. It means space stations that aren’t just for handpicked careerist supermen.
It means — well, we don’t know, from this side of the future, what it means. Some grade-three kid out there may already have a “killer app” for reusable rockets that nobody has considered yet. (If the cost comes down far enough, are we certain rockets won’t re-emerge as a possibility for long-haul terrestrial travel? That’s another assumption of early SF we have discarded, perhaps carelessly!) But it is probably a good guess that the balletic SpaceX triumph will turn out, after the fact, to have been one of the biggest stories of 2015.
