There are thousands of artificial or human-made satellites are moving around the Earth to revolutionize the way people connect with each other. The key functions of the satellite are mentioned bellow in brief.
Taking Picture
Some of the satellite's main function is capturing photos of our planet, other planets, the sun, black hole and so on. The pictures of our globe gives the information to the meteorologist to predict the weather and track hurricanes.
Some satellites take pictures of other planets, the Sun, the black hole, dark matter or faraway galaxies. These images aid in the scientific research of solar system and the cosmos.
Communication
There are many satellites are widely used for communications, like sending phone calls and broadcasting TV throughout the globe. Before satellites, we were not able to phone call faraway locations.
Study more: Satellite: What you should know about it.
Global Positioning System(GPS)
Now-a-days, GPS is a very essential part of the human world. To track the location of any object or body there is no other options except the GPS. More than 20 satellites do combined work to develop a global positioning system. Using a GPS receiver, these satellites can assist in pinpointing your precise location.
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