"
"Now I know," said Daisy.
"If we were to set off and go straight to the sun at that rate
of speed, keeping it up night and day, it would take us — how
long do you guess? It would take us three hundred years and
more; — nearly three hundred and fifty years, — to get there."
"I cannot imagine travelling so long," said Daisy, gravely. At
which Dr. Sandford laughed; the first time Daisy had ever
heard him do such a thing. It was a low, mellow laugh now; and
she rather enjoyed it.
"I should like to know what a million is," she observed.
"Ten hundred thousand."
"And how many million miles did you say the sun is?"
"Ninety-five millions of miles away."
Daisy lay thinking about it.
"Can you imagine travelling faster? And then we need not be so
long on the journey," said Dr. Sandford. "If we were to go as
fast as a cannon ball, it would take us about seven years —
not quite so much — to get to the sun."
"How fast does a cannon ball go?"
"Fifty times as fast as a railway train."
"I cannot imagine that either, Dr. Sandford."
"Give it up, Daisy," said the doctor, rising, and beginning to
put himself in order for travelling.
"Are you going?" said Daisy.
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