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Rotation of Lunar Dumbbell-shaped Globules during Formation

Abstract

IT is generally agreed that the glass globules found in type D lunar fines are ejecta from primary meteoric impacts. The impact is presumed to generate melted rock and gas, solidification of the ejecta occurring before they return to the lunar surface, but the precise manner of formation of the globules from the melt is uncertain. In particular, some globules are elongated with rotational symmetry about the major axis1, but retain the smooth surface characteristic of the more common spheroidal globules2.

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References

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PUGH, M. Rotation of Lunar Dumbbell-shaped Globules during Formation. Nature 237, 158–159 (1972). https://doi.org/10.1038/237158a0

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