How does the Northern Lights actually form?

The Northern Lights are like a dance party up in the sky, made by tiny space travelers called particles.

Imagine you're outside on a cold night, wearing your favorite winter coat, that's kind of what Earth is doing when it gets hit by solar winds, which are like super-fast streams of particles coming from the Sun. These particles zoom through space and crash into Earth’s atmosphere, which is like a big blanket around our planet.

When these space travelers bump into gases in the atmosphere, like oxygen or nitrogen, they get excited and light up, just like how your face lights up when you see something fun. Each color comes from a different gas: green is usually from oxygen, and purple or red can come from nitrogen.

The Northern Lights are most visible near the North Pole because that’s where Earth's magnetic field pulls those particles down, it’s like a funnel guiding them to the top of the world. So you’re seeing a sky show created by space travelers doing their best dance party, right above your head!