One interpretation of the flag of the fictional Federal Republic of Mars, based on the following verbal description in the 1993 science fiction novel Moving Mars by Greg Bear: "red Mars and two moons in blue field above a diagonal, white below."
Image created from scratch by AnonMoos, converted from the following vector PostScript source:

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10 10 moveto 0 300 rlineto 400 0 rlineto gsave .07 .07 .8 setrgbcolor
fill grestore 0 -300 rlineto closepath stroke 1 0 0 setrgbcolor 95 215
48 0 360 arc fill 164 222 8 0 360 arc fill 192.5 225 8 0 360 arc fill
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