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Re: [Phys-L] lunar craters

On 12/13/2012 05:56 AM, Anthony Lapinski wrote:
I searched online for the number of lunar craters at least 1 km across,

For things like this, google _scholar_ works better than a plain google web search.
http://scholar.google.com/scholar?q=lunar+crater+"size+distribution";

That turns up tons of information. The very first hit is
G Neukum, BA Ivanov (1994)

Figure 11 therein gives cumulative frequency versus crater diameter.
Pick off the ordinate for D=1 and do the normalization.

found a wide range of "estimates"

It's smart to cross-check multiple sources.