A
peculiar feature of the inner moon is that it makes a revolution
about Mars in seven hours, or more than three times in a day, and
it rises in the west and sets in the east, while the moon
farthest away from the planet rises just as our moon does, in the
east, but it comes up only once in about five days."
"Golly!" exclaimed Washington, who had been listening. "Dat suah
am a funny place. Two little moons, one shootin' around you
three times a day, an' de odder one circlin' around once in five
days! Land a' massy! I'll git all turned around up dere!"
"Yes, you'll have to be careful, Wash," cautioned Jack. "If you
go out for a moonlight walk you may have to come home in the
dark."
"Den I ain't goin'; an' when I do I'll take a lantern."
Mr. Roumann told the boys much more of interest about Mars, and
then, taking them to the engine-room, he showed them something
about adjusting the motors and other machinery, though he did not
disclose the secret of the power.
"Now we'll go to the pilot house, and I'll show you some things
there," he concluded.
They found Professor Henderson at the wheel.
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