Chapter 9: Space Weather

The sun consists of two types of gases, hydrogen and helium.

• True

• False

Below are the phenomena that occurs on the surface of the sun except...

• Prominence

• Coronal Mass Ejection

• Presence of a significant atmosphere

• Solar flare

Alpha is one of the particles in plasma that is involved in the formation of Solar Wind.

• True

• False

What is the average diameter of a granule?

• 5000km

• 1000km

• 2500km

• 34500km

The magnetosphere increases the pressure exerted by solar wind on Earth's atmosphere.

• True

• False

What is the two magnetic fields combined in Earth's Magnetosphere?

• Paramagnets and ferromagnets

• Antiferromagnets and ferrimagnets

• North pole and South pole

• Earth's magnetic field and the magnetic field in outer space's region.

Magnetosphere is formed by the interaction between the solar wind and Earth's magnetic field.

• True

• False

I'm Earth. I'm protected by X from dangerous particles from the Sun or other bodies in the Universe. What is X?

• Earth gravity

• Earth crust

• Earth's magnetic field

• Earth's magnetosphere

The speed of solar wind is 100km/second.

• True

• False

What is the phenomenon shown in the diagram above?

• Solar flare

• Prominence

• Solar wind

• Coronal Mass Ejection