When we change the way we communicate, we change society (Clay Sharky)
Do you know how a satellite communicates? A satellite is something that orbits, i.e. circles around a larger entity, like planet Earth. The Moon is a natural satellite of planet Earth, and one of the largest in our solar system. The Moon, in synchronous rotation with our home planet, has a gravitational influence that produces our ocean tides and the slight lengthening of our day.
Invented by scientists and technologists, artificial satellites have been designed to perform certain duties for mankind, such as making it possible for us to receive television signals (watch TV), enabling us to communicate in a number of ways, including on and through the Internet. Some satellites have been designed to observe the weather, or take accurate pictures of the Earth´s surface. Kept in place by gravity and centrifugal force, a man-designed satellite helps…
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