What Are Artificial Satellites Used For

There are currently over a thousand active satellites orbiting the earth.

What are artificial satellites used for. Satellites are increasingly important to the developing world. Following that feat on nov. The materials used in space are more often than not the most advanced materials that humans have created and we are constantly researching and creating new and improved materials. A communications satellite is an artificial satellite that relays and amplifies radio telecommunications signals via a transponder.

A brief history of artificial satellites. The size altitude and design of a satellite depend on its purpose. They enter orbit around the earth s atmosphere or travel to other planets after launching through rockets and remain. In the context of spaceflight a satellite is an object that has been intentionally placed into orbit these objects are called artificial satellites to distinguish them from natural satellites such as earth s moon.

It creates a communication channel between a source transmitter and a receiver at different locations on earth communications satellites are used for television telephone radio internet and military applications. A satellite is a moon planet or machine that orbits a planet or star. Artificial satellites are used for many purposes including communications navigation gathering weather information creating maps and even spying. Artificial satellites are able to complete these tasks and endure in space thanks to the unique materials used to create them.

Artificial satellites come from more than 50 countries and have used the satellite launching capabilities of ten nations. On 4 october 1957 the soviet union launched the world s first artificial satellite sputnik 1 since then about 8 900 satellites from more than 40 countries have been launched. 3 1957 the soviets launched an even more massive satellite sputnik 2 which carried a dog laika the united states. Satellites can even have people in them like the international.

Artificial satellites are used to study the earth other planets to help us communicate and even to observe the distant universe. An artificial satellite is an object that people have made and launched into orbit using rockets. Such data used to be a closely guarded military capability but now nearly anyone with an internet connection can find his house using google earth. A few hundred satellites are currently working but thousands of unused satellites and satellite fragments orbit the earth as space debris the largest satellite is the international space station which was put together by several different countries including the.