Murchison (AMNH 4378)
The tiny white calcium-aluminum inclusions, or CAIs, in Murchison are exceptionally small—much smaller than the CAIs found in meteorites like Allende. Scientists have not determined why the size of CAIs can vary so much from meteorite to meteorite.
September 28, 1969
Topic: Earth Science
Keywords: Astrophysics, Chondrites (Meteorites), Astrogeology