science: The Brocken Spectre, here seen in Poland, is an optical phenomenon in which the observer’s shadow appears to be magnified on clouds or fog below. The Spectre can be observed from mountaintops when the sun is low and behind you, and there’s

science: The Brocken Spectre, here seen in Poland, is an optical phenomenon in which the observer’s shadow appears to be magnified on clouds or fog below. The Spectre can be observed from mountaintops when the sun is low and behind you, and there’s

science: The Brocken Spectre, here seen in Poland, is an optical phenomenon in which