Mars的weight是...
The weight of 1 Mars is 640 exatons. That is ...
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2 times bigger than Mercury (2.0 to be exact).
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47 times bigger than Neptune's moon Triton .
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400 times bigger than Pluto's moon Karon .
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22,695 times bigger than asteroid Juno .
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4,000,000 times bigger than Saturn's moon Prometheus .
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220,689,655 times bigger than Mt. Fuji .
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27,826,086,957 times bigger than annual carbon dioxide emissions in the world .
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114,081,996,435 times bigger than annual carbon dioxide emissions in the USA .
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1,079,258,010,118 times bigger than annual production of rice in the world .
