The video explains the solar wind, which travels at speeds up to 900 km/s from the Sun's outer atmosphere. It causes phenomena like the Aurora Borealis and comet tails, and can interfere with Earth's electrical devices.

What is the maximum speed of the solar wind mentioned in the text?

What phenomena are caused by the solar wind according to the text?

Explain the relationship between the solar wind and the Aurora Borealis.

How does the solar wind affect comets?

In what way can the solar wind interfere with Earth?