The Space
The Earth's interaction with the Sun is a current focus of scientific attention because of its importance in knowing how the Sun affects the Earth, most notably our climate. Also, while not immediately dangerous to us on Earth, it is also important for quantifying the danger to satellites, which can be damaged or destroyed by powerful solar flares.

Proton aurorae were globally imaged for the first time by NASA's IMAGE spacecraft. The images revealed the presence of the 'dayside proton auroral spots'. By a fortunate coincidence, IMAGE and Cluster both spotted the event on 18 March 2002. Combining with IMAGE's observations, Cluster made it possible to establish the ground truth of the phenomenon. Go!
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