Sunspotter is possibly the simplest, yet one of the most addictive Zooniverse projects. All you have to do is select which out of two images of sunspot groups is the most complex. Sunspots are formed at the points where the Sun’s magnetic fields is bursting through it’s photosphere. Measuring the relative complexity of the sunspot groups will help researchers understand the Sun’s magnetic field and in turn how its activity affects us here on Earth. Get clicking now at