cleinnnn

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Thanks po sa pag follow!!!
          

Mariner 10 was an American robotic space probe launched by NASA on November 3, 1973, to fly by the planets Mercury and Venus. Mariner 10 was launched approximately two years after Mariner 9 and was the last spacecraft in the Mariner program. 
          
          Launch date: 3 November 1973
          
          Speed on orbit: 34.2 km/s