Mission to Mercury Is the Stuff of Mystery Posted: 8/2/2004
12:00:00 AM Reads: 104 Submitted By:clayroy Category: Space
Source: www.washingtonpost.comWhy is Mercury basically a
gigantic iron ball? Why does it have a magnetic field? Why does
it have a cloud of sodium gas surrounding it? Is the shiny stuff
that fills the polar craters ice, and if so, where did it come
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