Gravity by Jason Chin
Author:Jason Chin [Chin, Jason]
Language: eng
Format: azw3
ISBN: 9781466868021
Publisher: Roaring Brook Press
Published: 2014-04-28T16:00:00+00:00
GRAVITY KEEPS IT ALL TOGETHER
The Earth travels around the Sun in a
path called an orbit, and gravity keeps
the Earth in this path. Imagine you have
a ball on a string and you swing it in a
circle. The string will keep the ball from
flying away. The Sunâs gravity is like the
string: it keeps the Earth from flying away.
All of the planets in our solar system
orbit the Sun, and the Moon orbits the
Earth, and gravity is what keeps the
system together.
The string keeps the ball from flying away, similar
to how gravity keeps the Earth from flying away
from the Sun.
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