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Just like any other trip, the time it takes depends on how long the trip is,

what route you take, and how fast you travel.

-- At different times of year and in different years, the straight-line distance between

the Earth and Mars can be anywhere from 35.4 million to 247.9 million miles.

Let's say you make the trip when they're as close together as they can ever be

-- Real spacecraft never travel in straight lines, but let's say you could ... so you only

have to drive 35.4 million miles.

-- If there's no traffic and you drive at the speed of light, it only takes you

a little over 3 minutes to get to Mars.

-- If you hold it down and only drive 1 million miles per hour, then it takes you

35.4 hours ... about a day and a half.

-- If your passenger in the front seat is afraid of high speeds and won't let you drive

more than a thousand miles an hour, it takes you about 4 years to get there.

-- If Mars is halfway around its orbit, 247.9 million miles from us on the other side

of the sun, and you head over there at normal highway speed of 80 miles per hour,

then you have to allow about 353 years for the trip ... going straight as an arrow,

straight through the sun, not around it.

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12y ago

What else can I help you with?