Satellite

Satellite is described as a moon, a small object with revolving around large object, mostly used to describe in context of spaceflight, there are natural satellites and there are artificial satellites.
A natural satellite such as the moon is a natural object with created by nature and go around bigger object which is natural as well – the earth.
Artificial satellites are created by human and placed into orbit around bigger object for sciences or different mission.

Satellite history

There was always the question about what is the moon we can see in the sky, and if there is gravity why isn’t it fall on us. Scientist found that if an object run in a orbit the object can stay in same distance from its bigger object that he run around.
Arthur C. Clarke (1917-2008) describes in details the possible use of mass communication by satellites.
Today we all use satellite for our communication in every aspect – TV, phones, mobile phones, radio, internet, news, GPS, and government communication.

Use of satellites

Companies and governments sent satellites to the space for research and broadcast over the years, with these satellites we can map the earth or any other planet and connect between us very easily.
There are 3 basic categories of satellite services:
Scientific research satellite – provides us the meteorological information, research, marine science and land survey.
Mobile satellite systems – help connect remote regions, ships, aircrafts, GPS, and vehicles.
Fixed satellite services - the most common use is satellite TV, most of the TV broadcast delivered by satellite, local broadcast station have satellite dish, they receive the broadcast from other stations from all around the world and deliver it to the locals. Some people have their own dish with satellite receiver and able to get the broadcast by themselves – usually used for channels that the local company don’t have the right market for them.