Re: [Phys-L] [SPAM] Re: lunar craters

["Anthony Lapinski" <Anthony_Lapinski@pds.org>]

Thanks! These must be the larges craters. Are those diameters? In
kilometers? miles?

There are so many "small" craters that I imagine would be difficult to
count.


Phys-L@Phys-L.org writes:
> On Dec 13, 2012, at 7:56 AM, Anthony Lapinski wrote:
>
> > I teach about the Earth and Moon in my astronomy course, and compare the
> > two surfaces. I believe the Earth has about 600 active volcanoes, while
> > the Moon has none. Earth has about 175 major impact craters, while the
> > Moon has...?
> >
> > I searched online for the number of lunar craters at least 1 km across,
> > and found a wide range of "estimates" (up to one million). Wikipedia
> lists
> > major craters alphabetically, but there are too many for me to count.
>
> there are 1546 named craters on Wikipedia.  A csv file with all of these
> named craters, and their sizes, I've posted here:
>
> https://dl.dropbox.com/u/1813623/craters.csv
>
> Not sure if it is an accurate number, but it might be useful.
>
>
> 			bb
>
> -- 
> Brian Blais
> bblais@bryant.edu
> http://web.bryant.edu/~bblais
> http://brianblais.wordpress.com/
>
>
>
>
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