Satellites
⭐ MasteredA satellite is an object that orbits a planet. Satellites help with phones, weather forecasts, TV and GPS. The Moon is Earth's natural satellite.
Thousands of artificial satellites orbit Earth.
All about Satellites
A satellite is an object that orbits a larger object. The Moon is Earth's natural satellite, while artificial satellites are built and launched by people. Thousands of artificial satellites now orbit Earth, helping with communications, weather forecasts, navigation and science.
Communications satellites carry phone calls and TV signals, weather satellites watch clouds and storms, and navigation satellites power GPS. Some satellites also study the Earth's climate, forests and oceans from above.
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Real-life uses of Satellites
- Relaying television and phone signals
- Providing weather forecasts
- Helping navigation apps find the way
Frequently asked questions about Satellites
How many satellites orbit Earth?
Thousands are in orbit, and the number is growing as more satellites are launched.
Do satellites fall down?
Satellites are constantly falling towards Earth, but their speed keeps them moving around it. Low ones gradually slow down and eventually re-enter the atmosphere.
Who launched the first satellite?
The Soviet Union launched Sputnik 1 in October 1957.