Aurora articles

What is an aurora fundamentally the visible result of?

What is an aurora fundamentally the visible result of?

How is the light we observe as an aurora generated?

How is the light we observe as an aurora generated?

Which hemisphere features the Aurora Australis?

Which hemisphere features the Aurora Australis?

What deflects the vast majority of the incoming solar wind around Earth?

What deflects the vast majority of the incoming solar wind around Earth?

What specific solar event can significantly amplify the intensity of particles heading toward Earth?

What specific solar event can significantly amplify the intensity of particles heading toward Earth?

Which gas and altitude combination is responsible for the most common auroral color, green?

Which gas and altitude combination is responsible for the most common auroral color, green?

What color range do nitrogen molecules generally produce when excited?

What color range do nitrogen molecules generally produce when excited?

Into which atmospheric layer are charged particles funneled by magnetic field lines to create the aurora?

Into which atmospheric layer are charged particles funneled by magnetic field lines to create the aurora?

What causes the aurora to appear in dynamic, flowing curtain shapes?

What causes the aurora to appear in dynamic, flowing curtain shapes?

Why does the green hue typically dominate the visual experience of the aurora, even when other colors are present?

Why does the green hue typically dominate the visual experience of the aurora, even when other colors are present?

What is the ultimate driver causing the stunning light displays near Earth's poles?

What is the ultimate driver causing the stunning light displays near Earth's poles?

What charged particles primarily constitute the solar wind ejected from the Sun?

What charged particles primarily constitute the solar wind ejected from the Sun?

What structure forms a protective bubble around Earth, deflecting the majority of incoming solar wind particles?

What structure forms a protective bubble around Earth, deflecting the majority of incoming solar wind particles?

What feature of the magnetosphere guides solar wind particles toward the polar regions?

What feature of the magnetosphere guides solar wind particles toward the polar regions?

Which two gases are primarily responsible for generating the visible light when struck by solar particles?

Which two gases are primarily responsible for generating the visible light when struck by solar particles?

When an excited atmospheric atom relaxes, what particle is emitted to create visible light?

When an excited atmospheric atom relaxes, what particle is emitted to create visible light?

What is the most common auroral color observed by the human eye, and which gas is responsible for it?

What is the most common auroral color observed by the human eye, and which gas is responsible for it?

What is the typical altitude range, in miles, where auroral collisions occur?

What is the typical altitude range, in miles, where auroral collisions occur?

During very active solar storms, what color light is usually observed resulting from the excitation of nitrogen molecules?

During very active solar storms, what color light is usually observed resulting from the excitation of nitrogen molecules?

How do the auroral ovals generally behave during periods of low solar activity?

How do the auroral ovals generally behave during periods of low solar activity?

What physical requirement must an oxygen atom meet at higher altitudes to produce the red auroral color?

What physical requirement must an oxygen atom meet at higher altitudes to produce the red auroral color?