IANANE (I Am Not A NASA Engineer) but, IMHO, it will be powered by using the tether as a power cord, using stationary rover's solar cells, who stays on the edge of the crater (not sure about mountains...), as in the image:
http://www-robotics.jpl.nasa.gov/systems/systemImage.cfm?System=16&Image=414

Or maybe rechargeable batteries and periodical recharging from the main rover ?

The ML are just responsible for the View part in the MVC architecture.
To make a complete application, you need also the Model and the Controller.

I think that says that 200 - 0 = 200 (so the OO.org costs less than Microsoft Office... with about $200)

From TFA, the CAs that use MD5 are these:

        * RapidSSL
            C=US, O=Equifax Secure Inc., CN=Equifax Secure Global eBusiness CA-1
        * FreeSSL (free trial certificates offered by RapidSSL)
            C=US, ST=UT, L=Salt Lake City, O=The USERTRUST Network, OU=http://www.usertrust.com, CN=UTN-USERFirst-Network Applications
        * TC TrustCenter AG
            C=DE, ST=Hamburg, L=Hamburg, O=TC TrustCenter for Security in Data Networks GmbH, OU=TC TrustCenter Class 3 CA/emailAddress=certificate@trustcenter.de
        * RSA Data Security
            C=US, O=RSA Data Security, Inc., OU=Secure Server Certification Authority
        * Thawte
            C=ZA, ST=Western Cape, L=Cape Town, O=Thawte Consulting cc, OU=Certification Services Division, CN=Thawte Premium Server CA/emailAddress=premium-server@thawte.com
        * verisign.co.jp
            O=VeriSign Trust Network, OU=VeriSign, Inc., OU=VeriSign International Server CA - Class 3, OU=www.verisign.com/CPS Incorp.by Ref. LIABILITY LTD.(c)97 VeriSign

Direct link:

http://www.fbi.gov/headlines/code.swf

This should work ;)