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SATELLITES

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by

Pavneet Kang

on 6 January 2014

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Transcript of SATELLITES

What is a satellite?
The word satellite is a machine that orbits any celestial object.
The machines hover above Earth's atmosphere and send information to and from Earth
Satellites are machines that are launched into space and orbits Earth or another celestial object in space.
How satellites orbit celestial objects?
Satellites are launched into space by a rocket
Satellites orbit Earth when its speed is balanced by the pull of the Earth's and moon's gravitational pull.
The speed of the satellite should be 17, 500mph to stay in space
Why are Satellites Important?
Satellites have a bird's eye view which allows us to see the whole planet
With satellites we get our wifi, phone reception and any signal to do with any wireless device.
It shows the climate change to predict the weather
Benefits of Satellites
Satellites are used everyday by everyone
Satellites are used for many things such as communications, oceanography, astronomy, surveillance, weather predictions, etc.
SATELLITES

Missions
The space age began on October 4, 1957 with the launch of the first artificial satellite(Sputnik I)
Gaia satellite, more precise measurements of the billions of stars in the milky way to date
Nasa Iris, observed the regions between the Sun's surface and outer layers
By: Pavneet, Amandeep and Joseph
If you put all of the data that our satellites collect in 1 year on DVDs, it would form a stack of nearly 4 times the height of the Empire State Building.
NOW TO TEST YOUR MEMORY!
Some satellites are sent further into space and are put in a place called Geosynchronous orbit.
There are more than 8,000 artificial objects orbiting Earth!
Thank you for listening but...
Full transcript