NASA: National Aeronautics and Space Administration

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  1. Question

    Why cannot we see solar flares off the sun? we can see the sun but not the flares or sun spots.

    Sunspots are easy to see with even the simplest telescope (using projection, not direct view). Solar flares happen rarely, but when they do astronomers photograph and study them in detail using special very narrow-band filters. Since both sunspots and flares are phenomena on the surface to the Sun (the photosphere and chromosphere), that is were you see them, not "off the Sun".

    David Morrison
    NAI Senior Scientist

    January 13, 2009