Is there an Aurora Today?
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You know, of course, that certain conditions in the Earth's atmosphere can cause powerful storms like thunderstorms, blizzards, tornadoes, and hurricanes. The Sun also has an atmosphere, and incredible...more
What are the "parts" of the Sun? The photosphere is the visible "surface" of the Sun. The three regions of the solar interior are the core, the radiative zone, and the uppermost convective...more
How do scientists measure space weather? Let's take a look! Scientists watch the Sun with special telescopes. Some of the telescopes are on Earth, while others are on satellites. Some of the telescopes...more
Satellites and other spacecraft help us observe space weather. They collect data about the Sun, Earth's magnetosphere, Earth's atmosphere, and space weather throughout the rest of our Solar System. Spacecraft...more
Scientists combine various techniques to study space weather. Earth-based and orbiting telescopes constantly observe the Sun in many different wavelengths. Both satellites and ground-based instruments...more
Although space weather forecasts are not normally featured on the evening news, space weather does impact life on Earth in many ways. Our modern, technologically complex systems - including communications,...more
The study of space weather is a relatively young science. As such it has many unanswered questions and unsolved mysteries. Although some of our data relevant to space weather, such as sunspot counts, go...more
In 1989 a space weather storm caused an electrical blackout over a large area. Six million people in eastern Canada lost electrical power for 9 hours or longer. In March 1989 a large space weather storm...more