Name: オーロラはなぜ形成されるのか？| オーロラはなぜできるのか？ (Why are auroras formed? | #aumsum)
Uploaded: 2021-01-14T08:10:45.000Z
Duration: 1 min 1 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：

基礎受動態

転換語

Maybe because the earth forgets to switch off the lights.

Solar wind consists of super hot charged particles which are fatal.

So, should we use a big umbrella to protect
ourselves from these particles?

The earth's magnetic field acts like a shield and protects us.

Its field lines appear to emerge from the south pole and merge into the north pole.

Now, when the charged particles hit our magnetic field, most of them get deflected.

However, some of them flow along the earth's magnetic field lines to the poles and reach our upper atmosphere.

Here, these particles collide with oxygen
and nitrogen.

This causes them to give off various colors of light which are called auroras.