How many Earth days does it take to orbit Mars?

Answer In 1971, Mariner 9 became the first spacecraft to successfully orbit the planet Mars. It was the first time a planet besides Earth was orbited. Mariner 9 orbited Mars twice a day, taking one-half o... Read More »

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On average how many days does it rain In Melbourne Australia per year (365 days)?

100.3 days - see, not nearly as much as people think!…

Witch year did the Mars rover land on Mars?

NASA's twin robot geologists, the Mars Exploration Rovers, launched toward Mars on June 10 and July 7, 2003, to find answers to the questions about water on Mars. They landed on Mars January 3 and ... Read More »

How many sunny days per year in sion Switzerland?

How many days a year are air national guard pilots required to serve?