This week an asteroid passed by Earth worth an estimated 5 trillion dollars in platinum. Is it possible to mine precious metals in space?
Watch Live As A Platinum Asteroid Worth Trillions of Dollars Flies Past Earth
"Spectroscopic analysis has revealed the composition of the asteroid, and made it a prime target for future asteroid-mining missions. It is approximately 452 metres by 1,011 metres in size."
What Are Asteroids Made Of?
"Asteroids are made of different minerals and substances. Their composition depends on which planet they may have originated from."
Asteroids: Structure and Composition of Asteroids
"We find that asteroids are fascinating objects, varying in composition and shape. Nearly all asteroids are irregular in shape and heavily pockmarked by impact craters."
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