Why Do We Need Satellites In Space

The first satellite picture of earth came from nasa s explorer 6 in 1959.

Why do we need satellites in space.

The soviet union was the first to launch a satellite into space. Satellite looks like a very high tv mast which located 36 000 km up into space. But musk s pet project will need more devices orbiting to see this plan become a full fledged internet provider. Data acquired by satellite borne radars were able to show sea levels have been rising by three mm a year over the last decade.

If it s communications being in space is like being on a very tall tower. This orbit makes the satellite travel at the same rate as the earth s spin. Explorer was america s first man made satellite. So on first glance it can be hard to see why we need both.

You can see a lot more of the earth at once including remote areas without ground antennas like the oceans and polar areas. And that s not all gps and glonass are being joined by two additional global constellations europe s galileo and china s beidou which together will more the double the number of navigation satellites in orbit around earth. Nasa has launched many satellites into space. A satellite is a moon planet or machine that orbits a planet or star.

Imaging satellites can measure the changing sizes of glaciers which is difficult to do from the ground due to the remoteness and darkness of the polar regions. The first was explorer 1 in 1958. The satellite isn t motionless though. Satellites are launched into the space to do a specific job there are satellites that are launched to monitor the cloud patterns for the weather station there are satellites that launched to send television signals for sky tv and every satellite has to be designed specifically to fulfill its function.

Satellites monitor ocean temperatures and prevailing currents. There are many satellites currently in geosynchronous orbits. The weather satellite pictures gif 60k we see on the news come from these satellites. It s in a very high orbit and circles the earth once a day.

You can also reach a. It depends on its purpose.