Khan Academy Static

Despite its apparently steady glow, the Sun is a churning mass of superhot plasma that regularly produces powerful flares and storms that can knock out power and communication systems on Earth. Find out what makes the Sun so volatile and how you can get access to the same data, images, and tools that scientists use to predict solar storms.

18207_The_electromagnetic_spectrum.html

18206_The_threat_to_earth.html

18210_Introducing_NOVA_s_Sun_Lab.html

18203_The_dynamic_Sun.html

18208_Solar_space_telescopes.html

18205_Earth_s_magnetic_shield.html

18209_How_can_I_study_the_Sun_.html

18204_Solar_wind_and_storms.html

18201_Anatomy_of_the_Sun.html

18202_The_Sun_s_energy.html