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Winter Storms

Hoping for a snow day? A snow storm is just one kind of winter storm. Learn what happens when a winter storm occurs, and how this might affect us.
Resource Type: Information

Auroras: The Northern and Southern Lights

Auroras are dazzling displays of light, seen most often near the poles, that are caused by solar storms that disrupt Earth's atmosphere.
Resource Type: Information

Coronal Mass Ejections (CME)

A coronal mass ejection (CME) is an explosive outburst of plasma from the Sun. CMEs hurl massive amounts of particle radiation outward into space.
Resource Type: Information

Earth's Magnetosphere

Earth's magnetosphere is like a magnetic "bubble" in space around our planet.
Resource Type: Information

Plasma

Plasma is one of the four common states of matter. A plasma is essentially an electrified gas. The Sun is mostly plasma.

The Colorful Chromosphere: Sun’s Lower Atmosphere

The lower region of the Sun's atmosphere is called the chromosphere.
Resource Type: Information

The Hidden Corona: Sun’s Outer Atmosphere

The uppermost portion of the Sun's atmosphere is called the corona.
Resource Type: Information

Solar Flares

Solar flares are huge explosions on the Sun that emit lots of electromagnetic radiation.
Resource Type: Information

Solar Prominences

Solar Prominences are large, loop-like structures that extend from the surface of the Sun.
Resource Type: Information

Solar Variation

Solar Variation
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