Column #165 van Hens Zimmerman: 16 Psyche - a podcast by NPO Radio 1 / NTR

Een metalen rotsblok? Hoezo is dat interessant? 



https://news.arizona.edu/story/psyche-unexpected-discoveries-metal-world

https://www.space.com/34525-giant-metallic-asteroid-psyche-water.html

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