Neil Armstrong Air & Space Site Index
Moon Rock Gallery


One of the signs accompanying the moon rock. It reads

Formation of the Lunar Sample

The impact of many small meteorites over a period of four billion years gradually pulverized the hard basalt of the lunar crust into powder. In the geologically recent past, a large meteorite fell near the sample site. The heat produced by this meteorite plunging through the moon's surface welded the powder back into a hard rock. A close examination of the rock will show that there are different kinds of particles welded together. The small glassy pits scattered over the surface are from more recent small meteorite strikes.

Sign accompanying the Moon Rock at Neil Armstrong Air & Space
Time picture taken Tue May 20 12:31:00 2014
Location picture taken Second Floor Lunar Surface Gallery
Neil Armstrong Air & Space Museum
Wapakoneta, OH
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