Features of the Earth

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Gravitational attraction between Moon and Earth
Creates tides, keeps Earth's orbit nearly upright to its movement around Sun.
1 of 6
Tilted axis
Produces seasonal climatic changes.
2 of 6
Magnetic field
Deflects harmful solar radiation.
3 of 6
Earth's mass
Controls the force of gravity, strong enough to retain an atmosphere.
4 of 6
Speed of rotation
Prevents excessive temperature fluctuations.
5 of 6
Distance from Sun
Controls amount of insolation, and therefore temperature and presence of liquid water.
6 of 6

Other cards in this set

Card 2

Front

Tilted axis

Back

Produces seasonal climatic changes.

Card 3

Front

Magnetic field

Back

Preview of the front of card 3

Card 4

Front

Earth's mass

Back

Preview of the front of card 4

Card 5

Front

Speed of rotation

Back

Preview of the front of card 5
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