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It doesn't rotate around earth, but around the sun. This happens every 75-76 years on average.
Some weaks to many years
243 years
about 164 years
a little over 11 years
i think that they should have four or five weaks of training
Mars.
248 earth years
11 Earth years
29.5 earth years
11 Earth years
Well, that sort of depends on how fast you are traveling! If you were driving at 60 MPH in a car, it would take you almost 177 YEARS! (That would be almost 2,122 Months!) If you were flying on a jet plane going 500 MPH, then the trip would take you 21.23 years, or about 254.8 months. If you were flying on a chemical-powered rocket ship going 17,000 MPH, then the trip would take you 7.6 months. If you were traveling at the speed of light (186,282 miles per SECOND), then the trip would only take you 8.32 MINUTES, or roughly .000193 Months.