| Date: 28 April 2011, 03:55
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Space Exploration (Britannica Illustrated Science Library)
By Britannica Illustrated Science Library
* Publisher: Encyclopaedia Britannica
* Number Of Pages: 101
* Publication Date: 2009-02
* ISBN-10 / ASIN: 1593393970
* ISBN-13 / EAN: 9781593393977
During the greater part of our history,
the Moon was quite unreachable. It
did not seem very big and far away
but rather small. For the Greeks, the idea of
walking on the Moon was certainly
unthinkable, and as recently as the end of
the 19th century many people doubted that
humans would even be able to fly.
Nevertheless, on July 20, 1969, the miracle
happened. Since then many historic missions
to explore the planets have been planned
and executed, with the spacecraft and
probes Mariner, Viking, Pioneer, Voyager,
and Galileo leading the way. Thanks to
human intelligence and effort we have
succeeded in exploring many corners of our
solar system. This book intends to show all
this: the history of manned and unmanned
voyages and the discoveries that were made.
We will try, using simple and accessible
language, to answer many questions, such as
what rockets are, how they work, what
shuttles exist, how astronauts live in space,
and which robot probes are visiting other
planets looking for signs of life. All this is
accompanied by photographs and topquality
illustrations, providing a better
picture of the successes by which we have
made giant steps in our understanding of the
composition of the other planets, their
origin, and their evolution. Every day
astronomers are more convinced that there
are other places in the universe that are like
Earth. We only have to find them. They also
assure us that this is one of the most
interesting moments in the exploration of
the solar system, because so many things
are being revealed. Orbiting spacecraft such
as Mars Odyssey and Mars Express have
confirmed the existence of ice under the
surface of Mars. Sending exploratory
spacecraft to Saturn was another prodigious
feat, a demonstration of human capacity to
dream of new worlds. Recently the New
Horizons, whose final destination will be
Pluto in 2015, lifted off. This shows that the
search has only begun. There is still far to go.
Perhaps life may be found farther away than
we had imagined. Or maybe, as some dreamers
imagine, in the next decade we will realize the
project of colonizing other planets. For now,
the best candidate for us to land on is Mars.
But that is still only a dream, the same kind of
dream that was made into reality when
humans left their footprints on the Moon........................................
Contents
The Conquest
of Space
Page 6
Flying Through
Space
Page 26
Permanent
Exploration
Page 46
Visiting Other
Worlds
Page 62
Applied
Astronautics
Page 78
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