Our Solar System At A Glance
Beginning of paper
INTRODUCTION
From our small world we have gazed upon the cosmic ocean for untold
thousands of years. Ancient astronomers observed points of light that
appeared to move among the stars. They called these objects planets,
meaning wanderers, and named them after Roman deities -- Jupiter, king of
the g ....
Middle of paper
.... rocketry after World War II enabled
our machines to break the grip of Earth's gravity and travel to the Moon
and to other planets.
The United States has sent automated spacecraft, then human-crewed
expeditions, to explore the Moon. Our automated machines have orbited and
landed on Venus and Mars; explored the Sun's environment; observed comets,
and made close-range surveys while flying past Mercury, Jupiter, Saturn,
Uranus and Neptune.
These travelers brought a quantum leap in our ....
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Word count: 4469
Page count: 17 (approximately 250 words per page)
