What is an Aurora?

What is the name given to auroras in the northern hemisphere?

• Aurora australis

• Aurora borealis

• Polar glow

• Southern lights

What causes the beautiful light displays of auroras?

• Oceanic reflections

• Solar wind

• Lunar reflection

• Earth's core heat

What happens during a coronal mass ejection?

• The Moon blocks solar wind

• Earth's magnetic field reverses

• The Sun releases a massive bubble of gas

• The Sun emits less light

Tags

NGSS.HS-PS2-5

Which gases in Earth's atmosphere are responsible for the colors of auroras?

• Helium and argon

• Hydrogen and neon

• Carbon dioxide and methane

• Oxygen and nitrogen

Can auroras occur on planets other than Earth?

• Yes, on any planet

• No, only on Earth

• Yes, if the planet has an atmosphere and magnetic field

• Only on planets without atmospheres