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S A T E L L I T E S

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Sakura ...

on 18 April 2018

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Transcript of S A T E L L I T E S

S A T E L L I T E S
Presented by :
A M A R Amina
E L M E R Z O U K I Youssef
Directed by
Mrs A T M A N E
2017 - 2018
E H E I O
WHAT IS A SATELLITE ?
WHY ARE SATELLITES SO IMPORTANT ?
WHAT ARE THE PARTS OF A SATELLITE ?
HOW ARE STATELLITES LAUNCHED AND ORBIT EARTH ?
DO SATELLITES CRASH INTO EACH OTHER ?
WHAT WAS THE FIRST SATELLITE IN SPACE ?
WHAT IS THE HISTORY OF NASA SATELLITES ?
HOW DOES NASA USE SATELLETES TODAY ?
CONCLUSION
P
L
A
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What Is a Satellite ?
A satellite is a moon, planet or machine that orbits a planet or star.
Why Are Satellites Important ?
The view that satellites have allows them to see large areas of Earth at one time. This ability means satellites can collect more data , more quickly , than instruments on the ground.
What Are the Parts of a Satellite ?
Satelliates have at least two parts in common ; an antenna and a power source.
How Are Satellites Launched and How Do They Orbit Earth ?
A satellite orbits Earth when its speed is balanced by the pull of Earth's gravity.
Do Satellites Crash Into Each Other ?
They can , but collisions are rare .
What Was the First Satellite in Space ?
Sputnik 1 was the first satellite in space. The Soviet Union launched it in 1957.
What Is the History of NASA Satellites ?
Explorer 1 was America's first man-made satellite , followed by Explorer 6 in 1959 and TIROS-1 followed in 1960 .
How Does NASA Use Satellites Today ?
NASA satellites help scientists study Earth and space.
Conclusion
Bibliography
https://www.sciencelearn.org.nz
https://www.nasa.gov
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Full transcript