(ORDO NEWS) — The Chang’e 4 rover discovered translucent glass beads on the far side of the moon.
Glass is often found in lunar regolith, and volcanism and ultravelocity impacts are the main mechanisms for the formation of lunar glasses.
Volcanic glasses on the Moon occur as a hardened shell of basaltic rocks or as glass spheres in pyroclastic deposits. Volcanic glass moon balls are less than 1mm in diameter.
Glasses on the Moon are formed by cooling the impact melt and/or condensing the impact vapor, and the impact glass spheres have a rotating shape, smooth surfaces, and are largely free of debris.
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