Aurora

Auroras are light displays in polar regions, visible at night. They occur when charged particles from solar wind collide with atmospheric atoms, emitting light. The color of the aurora depends on the type of atom hit, with oxygen typically producing green and nitrogen red.

Where are auroras most commonly observed?

• Desert regions

• Mountainous regions

• Polar regions

• Equatorial regions

What initiates the formation of auroras?

• Ocean currents

• Charged particles from solar wind

• Volcanic eruptions

• Earthquakes

What happens when charged particles collide with atmospheric atoms?

• Heat is generated

• Light is emitted

• Sound is produced

• Water is formed

Which color is typically associated with oxygen in auroras?

• Green

• Blue

• Purple

• Yellow

What color do nitrogen atoms usually emit in auroras?

• Red

• Orange

• White

• Violet