In this deep dive we show how astronomers read asteroid chemistry using visible and near-infrared light. Reflectance spectroscopy reveals silicates, hydrated minerals, and water signatures; space weathering explains why surfaces redden with age. We'll connect spectral fingerprints to meteorites on Earth, describe the Bus–Demeo taxonomy and recent findings of outer-belt material in near-Earth asteroids, and highlight spacecraft validation from Dawn and OSIRIS-REx.

Note: This podcast was AI-generated, and sometimes AI can make mistakes. Please double-check any critical information.

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