Satellite Mobiles Slide Show. Satellites fly around the Earth, very high, above the sky. Have you...
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Transcript of Satellite Mobiles Slide Show. Satellites fly around the Earth, very high, above the sky. Have you...
![Page 1: Satellite Mobiles Slide Show. Satellites fly around the Earth, very high, above the sky. Have you ever seen them at night? Different satellites have different.](https://reader035.fdocuments.net/reader035/viewer/2022070308/551c0c7a550346a84f8b51bb/html5/thumbnails/1.jpg)
Satellite MobilesSlide Show
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Satellites fly around the Earth, very high, above the sky.
Have you ever seen them at night?
Different satellites have different jobs.
![Page 3: Satellite Mobiles Slide Show. Satellites fly around the Earth, very high, above the sky. Have you ever seen them at night? Different satellites have different.](https://reader035.fdocuments.net/reader035/viewer/2022070308/551c0c7a550346a84f8b51bb/html5/thumbnails/3.jpg)
Some satellites work as antennas, the highest antennas anywhere. They send out TV signals, for example.
Echo Star 3
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Many satellites take some kind of picture. The Hubble Telescope is a
satellite which looks up at the stars.
Next >>
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Other satellites point their cameras down at the Earth to watch the
weather.
GOES 8
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Other satellites photograph the
land, to watch our environment.
Chernobyl power plant, 1986
Landsat 4
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Just as your body is made of parts, like arms and legs, satellites have parts too. Let's talk about a few of
them.
![Page 8: Satellite Mobiles Slide Show. Satellites fly around the Earth, very high, above the sky. Have you ever seen them at night? Different satellites have different.](https://reader035.fdocuments.net/reader035/viewer/2022070308/551c0c7a550346a84f8b51bb/html5/thumbnails/8.jpg)
Many satellites have a camera. What part of an animal is like a
camera?
Here’s a hint:
Corona, the first reconnaissance satellite, 1960-1972
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Most satellites have at least two antennas, so people can send
messages up and the satellite can send messages down.
It's a little bit like walkie-talkies. Can you think of
an animal that also has antennas?
Do you have antennas?
a Sputnik satellite
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Many antennas have a dish to reflect messages, to make them louder.
Do animals have something like this?
How about you? Can you “dish” your ears? How about your mouth?
Lunar Orbiter Here’s a hint:
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Most satellites have solar panels, which change sunlight into electricity, to charge the batteries. What part of a
plant is a kind of solar panel?
Here’s a hint:
![Page 12: Satellite Mobiles Slide Show. Satellites fly around the Earth, very high, above the sky. Have you ever seen them at night? Different satellites have different.](https://reader035.fdocuments.net/reader035/viewer/2022070308/551c0c7a550346a84f8b51bb/html5/thumbnails/12.jpg)
Many satellites have small jets! They don't push the satellite into space–
they just help it steer in orbit.
Like awalleye’s
fins!
Or ahelicopter’s
tail rotor!Next >>
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Finally, almost every satellite has a computer to tell all the parts how to work together.
Do you have something like that?
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So-- what do satellites look like when we put all these parts together? Well-- unlike plain old airplanes, which tend to look the same . . .
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and unlike plain old rockets, which really tend to look the same . . .
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Satellites all look different!
So they are fun to design!
Can you design a satellite no one has ever seen
before? Telstar
Lunar ProspectorInternational Space Station