Can mining space save Earth?

Mining asteroids in space may create a resources boom on earth.

Yesterday afternoon, a small group of billionaires, engineers and space exploration enthusiasts – including Titanic director James Cameron, Google co-founder Larry Page and CEO Eric Schmidt, and Peter Diamandis, the chairman of the X-PRIZE foundation, which encourages development of space technology – launched Planetary Resources, a company founded with the eventual aim of mining near-earth asteroids (near-earth in this context meaning "closer than the moon").

It's all very sci-fi, even their website, which looks like it could be a publicity stunt for Ridley Scott's new thriller Prometheus. But they are deadly serious about their aim, and it looks like they might achieve it. Discover Magazine's Bad Astronomy blog has a long post explaining their vision:

The key point is that their plan is not to simply mine precious metals and make millions or billions of dollars – though that’s a long-range goal. If that were the only goal, it would cost too much, be too difficult, and probably not be attainable. Instead, they’ll make a series of calculated smaller missions that will grow in size and scope.

The first step is to get a load of small telescopes into low earth orbit, and begin space-prospecting. By making the telescopes pretty tiny – they'll be 22cm long in a spacecraft 40cm square – they plan to save money piggybacking onto other launches. Once they're up, they start looking for asteroids on a trajectory to be close enough to mine, and with a make-up of valuable minerals.

Crucial to their plan is revenue generation in stages. Even with all those billionaires behind them, if they waited to get the first mined material back before they made any money, the company would probably go bankrupt. So once the telescopes are up in space, Planetary Resources will probably start selling some of the data they generate back to organisations with more mature spaceflight capabilities (basically, NASA), who can put it to more immediate use.

From there, the same basic design of telescope can be used, with the addition of a small motor, as a probe to check specific asteroids out in more detail. Once one has been found with useful resources, the mining begins. But the first minerals to be extracted aren't what you'd expect.

Rather than go straight for the platinum and gold which some asteroids have in abundance, the target will likely be water, oxygen and nitrogen. All of these have very low boiling points, so are tricky to get into space, and hard to find once up there – but crucial to exploration. Planetary Resource's chief engineer tells Bad Astronomy that it costs $20,000 to get a litre of water into space. Focusing on things which are valuable in space, rather than on earth, means that the problem of re-entry can be safely ignored for a while longer.

Eventually, though, the company hopes to mine asteroids for materials to use back on earth. If they are successful, it could lead to a major change in resource abundance. They point out that:

A single platinum-rich 500 meter wide asteroid contains about 174 times the yearly world output of platinum, and 1.5 times the known world-reserves of platinum group metals (ruthenium, rhodium, palladium, osmium, iridium, and platinum).

A kilogram of platinum is worth roughly $50,000, but that price would, of course, plummet if 174 times the world output were made available even over the course of a century. If, however, an equilibrium price results in it being economical for Planetary Resources to bring most of it to market, then the surge in availability could have interesting effects. Unlike gold, platinum is relatively chemically active, hence its use in catalytic converters, and has many potential applications – if only it weren't so damn expensive.

It'll be a long trip to get there, but they seem serious. Whether the resource injection will be a major change, or just improve things at the margin, depends on a number of factors that aren't yet clear, but it will be fun to watch them work it out.

The Arkyd telescope is seen here in its 22cm glory. Photograph: Getty Images

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

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Misogynoir: How social media abuse exposes longstanding prejudices against black women

After decades as an MP, Diane Abbott finally spoke out about the racist and sexist abuse she faces. But she's not alone. 

“Which STD will end your miserable life?” “This is why monkeys don’t belong here.” “I hope you get lynched”. These are just some of the many messages Seyi Akiwowo, a Labour councillor in Newham, told me she has been sent over the past three weeks. Akiwowo has received reams of violent and racist abuse after a video of her suggesting former empires pay reparations to countries they once colonised (and whose resources they still continue to plunder) went viral. She doesn’t expect everyone to agree with her, she said, but people seem to think they’re entitled to hurl abuse at her because she’s a black woman.

The particular intensity of misogyny directed at black women is so commonplace that it was given a name by academic Moya Bailey: misogynoir. This was highlighted recently when Diane Abbott, the country’s first and most-well known black woman MP and current shadow Home secretary, spoke out about the violent messages she’s received and continues to receive. The messages are so serious that Abbott’s staff often fear for her safety. There is an implicit point in abuse like this: women of colour, in particular black women, should know their place. If they dare to share their opinions, they’ll be attacked for it.

There is no shortage of evidence to show women of colour are sent racist and sexist messages for simply having an opinion or being in the public eye, but there is a dearth of meaningful responses. “I don’t see social media companies or government leaders doing enough to rectify the issue,” said Akiwowo, who has reported some of the abuse she’s received. Chi Onwurah, shadow minister for Business, Innovation and Skills, agreed. “The advice from social media experts is not to feed the trolls, but that vacates the public space for them," she said. But ignoring abuse is a non-solution. Although Onwurah notes the police and media giants are beginning to take this abuse seriously, not enough is being done.

Akiwowo has conversations with young women of colour who become less sure they want to go into politics after seeing the way people like Abbott have been treated. It’s an unsurprising reaction. Kate Osamor, shadow secretary of state for International Development, argued no one should have to deal with the kind of vitriol Abbott does. It’s well documented that the ease and anonymity of social media platforms like Twitter and Facebook have changed the nature of communication – and for politicians, this means more abuse, at a faster pace and at all hours of the day. Social media, Onwurah said, has given abuse a “new lease of life”. There needs to be a concerted effort to stop people from using these platforms to spout their odious views.

But there is another layer to understanding misogyny and racism in public life. The rapid and anonymous, yet public, nature of social media has shone a light on what women of colour already know to be a reality. Dawn Butler MP, who has previously described racism as the House of Commons’ “dirty little secret”, told me “of course” she has experienced racism and sexism in Parliament: “What surprises me is when other people are surprised”. Perhaps that’s because there’s an unwillingness to realise or really grapple the pervasiveness of misogynoir.

“Sometimes it takes a lot of effort to get someone to understand the discriminatory nature of peoples’ actions,” Butler explained. “That itself is demoralising and exhausting.” After 30 years of racist and sexist treatment, it was only when Abbott highlighted the visceral abuse she experiences that politicians and commentators were willing to speak out in her support. Even then, there seemed to be little recognition of how deep this ran. In recent years, the Labour leader Jeremy Corbyn has been ridiculed for having a relationship with her in the 70s, as if a black woman’s sexuality is both intriguing and laughable; people regularly imply she’s incompetent, despite having been in Parliament for three decades and at the last general election increasing her majority by a staggering amount; she has even been derided by her own colleagues. Those Labour MPs who began the hashtag #PrayforDiane when she was off work because of illness spoke to a form of bullying that wouldn’t be acceptable in most workplaces.

These supposedly less obvious forms of racism and sexism are largely downplayed or seen as unrelated to discrimination. They might be understood through what influential scholar Stuart Hall called the “grammar of race”. Different from overtly racist comments, Hall says there’s a form of racism that’s “inferential”; naturalised representations of people - whether factual or fictional - have “racist premises and propositions inscribed in them as a set of unquestioned assumptions”. Alongside the racist insults hurled at black women politicians like Abbott, there’s a set of racialised tropes that rely on sexualisation or derision to undermine these women.

The streams of abuse on social media aren’t the only barrier people of colour – and women in particular – face when they think about getting into politics. “I don’t think there’s a shortage of people in the black community who put themselves forward to stand for office, you only have to look at when positions come up the list of people that go for the position,” Claudia Webbe, a councillor and member of Labour's ruling body the National Executive Committee told me. As one of the few black women to hold such a position in the history of the Labour party, she knows from her extensive career how the system works. “I think there is both a problem of unfair selection and a problem of BME [black and minority ethnic] people sustaining the course." Conscious and unconscious racial and gender bias means politics are, like other areas of work in the UK, more difficult to get into if you’re a woman of colour.

“The way white women respond to the way black women are treated is integral,” Osamor says, “They are part of the solution”. White women also face venomous and low-lying forms of sexism that are often overlooked, but at times the solidarity given to them is conditional for women of colour. In a leaked letter to The Guardian, Abbott’s staff criticised the police for not acting on death threats, while similar messages sent to Anna Soubry MP resulted in arrest. When the mainstream left talks about women, it usually means white women. This implicitly turns the experiences of women of colour into an afterthought.

The systematic discrimination against women of colour, and its erasure or addendum-like quality, stems from the colonial racial order. In the days of the British empire, white women were ranked as superior to colonised Asian and African women who were at different times seen as overly sexualised or unfeminine. Black women were at the bottom of this hierarchy. Women of colour were essentially discounted as real women. Recognising this does not equate to pitting white women and women of colour against each other. It is simply a case of recognising the fact that there is a distinct issue of racial abuse.

The online abuse women of colour, and black women specifically, is an issue that needs to be highlighted and dealt with. But there are other more insidious ways that racism and sexism manifest themselves in everyday political life, which should not be overlooked. “Thirty years ago I entered parliament to try and be the change I wanted to see,” Abbott wrote. “Despite the personal attacks and the online abuse, that struggle continues.” That struggle must be a collective one.

Maya Goodfellow researches race and racism in Britain. She is a staff writer at LabourList.