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13 Aug 2020, 13:00 UTC
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Wikipedia dicit:
Perseverance, nicknamed Percy, is a Mars rover manufactured by the Jet Propulsion Laboratory for use in NASA’s Mars 2020 mission.
The Perseverance rover was designed with help from the Curiosity’s engineering team, and they are similar to each other. Engineers redesigned the Perseverance rover wheels to be more robust than Curiosity’s wheels, which have sustained some damage. The rover has thicker, more durable aluminum wheels, with reduced width and a greater diameter (52.5 centimetres (20.7 in)) than Curiosity’s 50-centimetre (20 in) wheels. The aluminum wheels are covered with cleats for traction and curved titanium spokes for springy support. The combination of the larger instrument suite, new Sampling and Caching System, and modified wheels makes Perseverance heavier than its predecessor, Curiosity, by 17% (899 kg to 1050 kg). The rover will include a five-jointed robotic arm measuring 2.1 metres (6 ft 11 in) long. The arm will be used in combination with a turret to analyze geologic samples from the Martian surface.
The rover’s power generator (MMRTG) has a mass of 45 kilograms (99 lb) and uses 4.8 kilograms (10.6 lb) of plutonium dioxide as the source of steady supply of heat that is converted to ...

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