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WHAT MAKES DAY AND NIGHT
by Franklyn M. Branley,
illustrated by Arthur Dorros
(HarperCollins, 1986)
Let's-Read-and-Find-Out Science Book ®
Ordering Information
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We enjoy sunrises and sunsets as the earth spins and carries us into
and out of the sun's light. If you lived on the moon, which spins more
slowly than the earth, there would be two weeks of daylight and two
weeks of night! This book explains in clear, easily understood language
and with a simple experiment to demonstrate, what makes day and
night.
Reviews
"Accompanied by NASA photographs and Dorros's colorful, lively drawings,
the text explains the Earth's rotation in clear and simple terms. An
experiment using a lamp as the sun further clarifies the principles
introduced."--Booklist
Illustrator's note: the story behind the story
I had heard that the earth's spinning and the effects of the sun's rays
cause day and night before reading the manuscript for this book. But it
is another thing to really be able to picture all that. Franklyn
Branley's clear explanation gave me new understanding of the earth's
turning and how we turn with it. Besides, the text gave me opportunities
to envision what it would be like to see the earth from space and what
it might be like to spend a little time there--one month on the moon to
go through a single cycle of dark and light. I have renewed appreciation
for sunsets and sunrises.
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