소행성 금속분석소행성 벨트 Psyche: NASA Mission to a Metal WorldWhen our solar system was very young, there were no planets-only a diffuse disk of gas and dust circled the sun. But within a few million years, that churning cloud of primordial material collapsed under its own gravity to form hundreds, or maybe thousands, of infant planets.https://spectrum.ieee.org/psyche-missionNASA just launched the Psyche mission—no one knows what it will findPsyche is going to a metal world with plasma engines and lasers. It's not sci-fi.https://arstechnica.com/space/2023/10/nasa-is-about-to-launch-a-mission-of-pure-discovery-to-a-metal-asteroid/
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