@kchangnyt @13pt Cool interactive map. What's up with the dark splotches at north and south poles? Magnetic fields?
Spin Mercury around + more info & pix about the impending demise of #NASA Messenger 2day. http://nyti.ms/1zs6b4X by @13pt
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@rbconklin1 Thanks, I think it’s just limited photo coverage of the poles, because of shadow and raking sunlight - 1 more reply
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