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Movements of our planet Earth

 

 

The Earth and its movements.
0:08The Earth is the third planet from the Sun,
0:13and it has a unique characteristic that no
0:15other planet we know has:
0:19it’s the only one that has life on it
0:22Life of all types,
0:24plants and animals...
0:38Its average temperature is 15 degrees Celcius, and because our planet also has water and
0:44an atmosphere... it is the perfect place for life.
0:50Like other planets of the solar system, the Earth moves in two different ways: one is
0:57called rotation... and the other is called revolution.
1:02Rotation is the movement of the Earth on its own axis. Rotate means to turn. So, the Earth
1:10turns around a slightly-inclined imaginary line that joins the two poles, called the axis.
1:18Do you know how long it takes to make a complete turn?.. It takes 24 hours to make
1:24one rotation... Think about it for a second:..
1:29One day, day and night
1:31together, lasts 24 hours too. So the movement of rotation causes day and night.
1:40Interesting, right?
1:45Now let's see the movement of revolution...
1:49As you can see in the pictures, the Earth goes around the Sun in an elliptical orbit.
1:57That might sounds a little strange... but if you look... you’ll see it is simply the
2:01journey that the Earth makes around the Sun... Do you know how long it takes the Earth to
2:07make a complete revolution around the sun? Well, it takes... 365 days... Exactly – one year!..
2:17This revolution movement is what makes the
2:20spring, with its colorful flowers... the hot summer, full of fun... the autumn, when leaves
2:28fall from the trees to the ground... and the cold and frosty winter.
2:36So let’s remember the 2 kinds of movement that the Earth makes.
2:40There is rotation, which is the Earth turning around itself... causing day and night...
2:47which lasts exactly 24 hours, the same as a whole day.
2:53And there is revolution, which is the earth travelling around the sun... which takes 365
3:00days and causes the seasons.
3:05So, now you know the movements of the Earth.
3:10Goodbye everyone, and don’t forget to subscribe to Happy Learning!

 

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