Digital heart book

You know the surface
of Mars, even at the equator, goes east at the rate of only five hundred
miles an hour, and as our modern cars take us much faster than that, it is
easy for us to keep ahead of the night by going in the right direction. So
in making long trips we try to travel west."
"But suppose you want to go east?"
"Then we go west to get east, and we arrange the speed so as to get to our
destination in the day-time."
We left our car and found another just ready to start for the distant city
in which our observatory was situated. It was a small car comparatively,
and we had it all to ourselves. There were all sorts of conveniences in
it, and we composed ourselves for a good rest. After a ride of several
hours we reached our destination. It was now about noon, so that we had
actually made nearly half a day, besides the time spent in sleep while
riding. I know some of my friends on the earth, who say the day is too
short for them, would appreciate such an improvement as that if they could
have it.


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