What are asteroids made of?
What are asteroids made of? Rock, clay, carbon, and metal. A sourced guide to asteroid composition from NASA and JAXA missions and returned samples.
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Sample return
3 articles
Is asteroid mining possible yet? An honest status check
Is asteroid mining possible yet? A sourced status check on sample returns, failed commercial attempts, open problems, and when asteroid mining could start.
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What the Bennu and Ryugu samples teach us about asteroid prospecting
OSIRIS-REx and Hayabusa2 studied two asteroids from orbit, then tested those readings against returned samples. Five lessons for anyone thinking about asteroid resources.
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