Grab a pen, pencil and calculator. Give these your best shot! 1. The surface gravity of Mars is 3.7 N/kg. On Earth it is 9.8 N/kg. Beagle 2, the unsuccessful British space probe, had a mass of 30 kg.
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Grab a pen, pencil and calculator. Give these your best shot! 1. The surface gravity of Mars is 3.7 N/kg. On Earth it is 9.8 N/kg. Beagle 2, the unsuccessful British space probe, had a mass of 30 kg.
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