What is the basic composition of the lunar "maria" regions?

0 votes
     boulders that have rolled down from the lunar highlands
      crushed rock created by meteoric impact
      basalt rock resulting from early lunar volcanic activity
      iron-rich portions of the exposed lunar core
      remains of early lunar water oceans
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

0 votes
basalt rock resulting from early lunar volcanic activity
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)



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