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First Trips To Mars Announced By Elon Musk

The first trips to Mars are being scheduled by SpaceX. In just two years, uncrewed ships will take advantage of the Mars transfer window, according to Elon Musk.

One of the earliest descriptions of a trip to Mars in science fiction may be found in Percy Greg's classic Across the Zodiac, published in 1880:

Of course some months were occupied in the manufacture of the different portions of the vessel and her machinery, and sometime more in their combination; so that when, at the end of July, I was ready to start, the opposition was rapidly approaching. In the course of some fifty days the Earth, moving in her orbit at a rate of about eleven hundred miles [4] per minute, would overtake Mars; that is to say, would pass between him and the Sun. In starting from the Earth I should share this motion; I too should go eleven hundred miles a minute in the same direction; but as I should travel along an orbit constantly widening, the Earth would leave me behind. The apergy had to make up for this, as well as to carry me some forty millions of miles in a direction at right angles to the former—right outward towards the orbit of Mars. Again, I should share the motion of that particular spot of the Earth's surface from which I rose around her axis, a motion varying with the latitude, greatest at the equator, nothing at the pole. This would whirl me round and round the Earth at the rate of a thousand miles an hour; of this I must, of course, get rid as soon as possible. And when I should be rid of it, I meant to start at first right upward; that is, straight away from the Sun and in the plane of the ecliptic, which is not very different from that in which Mars also moves. Therefore I should begin my effective ascent from a point of the Earth as far as possible from the Sun; that is, on the midnight meridian.

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