NASA launches Psyche mission to rare metal asteroid
NASA has launched a mission to a rare asteroid covered in metal that is two billion miles (3.6bn km) and six years’ travel time away from Earth.
Scientists hope exploring the Psyche asteroid will help them understand more about how Earth formed and what makes it habitable.
Lead scientist Lindy Elkins-Tanton, of Arizona State University, said: “It’s long been humans’ dream to go to the metal core of our Earth. I mean, ask [author] Jules Verne.
“The pressure is too high. The temperature is too high. The technology is impossible. But there’s one way in our solar system that we can look at a metal core and that is by going to this asteroid.”
Illustration of the Psyche asteroid. Pic: NASA/JPL-Caltech/ASU
Most asteroids tend to be rocky or icy, and this is the first look at a metal one – the team is also hoping to take the first-ever images of it.
Potato-shaped rock is 150 miles wide
Psyche, which may be the battered remains of a planetesimal, or a building block of a rocky planet, is the largest of the nine metal-rich asteroids discovered so far, NASA said.
The potato-shaped rock measures about 144 miles by 173 miles (232km by 280 km) at its widest and has a mass of about 440 billion pounds.
It will dwarf the van-sized spacecraft, with solar panels big enough to fill a tennis court.
An illustration showing NASA’s Psyche spacecraft heading towards the asteroid. Pic: NASA/JPL-Caltech/ASU
Also called Psyche, the spacecraft was launched on a SpaceX Falcon Heavy rocket from NASA’s Kennedy Space Centre, in Florida, on Friday.
The agency believes the asteroid, which orbits the sun between Mars and Jupiter, is brimming with iron, nickel and other metals – and quite possibly silicates. It is a dull grey colour, probably because its surface is covered with fine metal grains from cosmic impacts.
Metal cliffs and lava flows
It was discovered in 1852 and named after Greek mythology’s captivating goddess of the soul.
As to what they will find, scientists imagine spiky craters, huge metal cliffs and metal-encrusted eroded lava flows that are greenish-yellow from sulfur. However, Ms Elkins-Tanton admitted that is “almost certain to be completely wrong”.
Tiny amounts of gold, silver, platinum or iridium – iron-loving elements – could be dissolved in the asteroid’s iron and nickel, she said.
“There’s a very good chance that it’s going to be outside of our imaginings, and that is my fondest hope.”
Believed to be a planetary building block from the solar system’s formation 4.5 billion years ago, the asteroid can help answer fundamental questions such as how life began on Earth and what makes our planet habitable, according to Ms Elkins-Tanton.
The space ship will reach the asteroid in 2029
Read more:
NASA’s ‘incredible’ findings from asteroid
What is asteroid Psyche and what can it tell us?
Led by Arizona State University on NASA’s behalf, the $1.2 billion (£985m) mission will swoop past Mars for a gravity boost in 2026.
Three years later, it will reach the asteroid and attempt to go into orbit around it, circling it at a distance of between 47 and 440 miles (75 and 700 km) until at least 2031.
Elon Musk could be on track for a $1trn pay packet.
Tesla shareholders have approved the whopping financial package for the CEO – who’s already worth an estimated $491bn – if he hits a series of ambitious targets over the next 10 years.
But that $1trn figure (or £761,910,000,000) – which is both one thousand billion and one million million – is almost impossible to imagine for most people.
Even so, we have drilled down into the numbers and examined what you can do with a trillion US dollars – and it turns out, quite a lot.
Show me the money
Laid end to end, a trillion one-dollar bills would cover a distance of approximately 156 billion metres.
That could wrap around the equator 3,890 times, easily reach the sun from Earth (around 149.6 million km) or loop from Earth to the moon 405 times.
That many one-dollar notes could cover a massive area (roughly 10,339 km squared), meaning you could blanket nearly all of Lebanon or Jamaica in bills.
Spend it on sport
You could splash out on virtually all of the world’s major sporting leagues.
The clubs which make up the Premier League are relatively cheap ($30bn), and even when snapping up the UEFA Champions League clubs and the big five top divisions of Spain, Italy, Germany, and France, there’s still $858bn left in the kitty.
The four major US sports leagues for ice hockey, baseball, basketball, and American football (NFL, NBA, MLB and NHL) have a rough valuation of $544bn, according to Sportico.
But then add the IPL cricket league ($120bn) and F1 ($23.1bn) and Musk still has change from an estimated total spend of $829.7bn.
Elon Musk is in the money if he hits targets set by Tesla’s shareholders. File pic: AP
Take over Tesla’s rivals
He could buy up the top 15 largest publicly traded automakers (excluding Tesla) by market capitalisation.
They would include firms like Japan’s Toyota ($275bn), Chinese automaker BYD ($120bn), and luxury brands like Ferrari ($81bn) and Mercedes-Benz ($62bn), as well as BMW ($52bn), Volkswagen ($50bn) and Ford ($48bn).
But there would still be a little change left over; the total bill would be an eye-watering $992bn.
Buy up San Diego
He could buy up every single residential property in San Diego County – valued at a total of $1trn. Seattle is just slightly out of reach at $1.1trn, according to recent data from real estate firm Zillow.
But if he wanted to buy big – there is always Tennessee. The total value of homes in the US state is estimated at $957bn. Or there is Maryland, which at $1.01trn could be bought if he can find a little more cash behind the sofa.
Sadly, he would struggle to scoop up London’s entire housing stock, which in February was valued at just under £2trn ($2.53trn), according to agents Savills.
Cities like New York ($4.6trn) and Los Angeles ($3.9trn) are also not within his budget, hosting America’s most expensive residential markets.
Do something charitable?
There is always the possibility Musk could follow in the footsteps of Microsoft founder Bill Gates, who intends to give away 99% of his vast fortune over the next 20 years.
He could give every single man, woman, and child in the US a share of his cash pile. They would receive approximately $2,917.32 (£2,223.29), based on a population estimate of 342.7 million.
Although it would be roughly $14,348.79 (£10,935.20) for every person (roughly 69.6 million) in the UK.
If he wanted to give the entire globe an early Christmas present, then based on the rough world population estimate of 8.2 billion, everyone would receive $121.80 (£92.87).
Pay off the credit card
With $1trn, he could instantly rewrite history and erase debt interest payments and the government debt from dozens of the world’s sovereign nations.
Or Musk could wipe out the debts of Singapore ($1trn) or South Korea ($0.99trn) in one go, according to figures from the International Monetary Fund’s latest World Economic Outlook (Oct 2025).
But when it comes to the biggest debt-laden countries, $1trn would not even touch the sides.
The US has $38.3trn of government debt (just over one third of the total global debt pile) while the UK has a modest $4.1trn.
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