How Do You Make A Simple Solar Viewer?
It is never safe to look directly at the Sun. Astronomers use various techniques to overcome this, but even if you don’t own a telescope, you can safely view an image of the Sun by making a simple solar viewer. Basically, this viewer consists of two parts, a projector and a screen, and is very easy to make and use. • Marking the square… Cut a 2″ (50mm) square out of the center of a paper or plastic foam plate (though any easy to cut, fairly opaque object will do). • Foil square ready to put into place… Take a 3″ (76mm) square of aluminum foil and tape it over the square cutout along the edges. • Making the pinhole… Using a toothpick, carefully poke as round a hole possible in the center of the foil. Make sure that the hole is no larger in diameter than the toothpick. The viewer is now ready to use. Take another plate (or any other white colored surface) and hold it lined up with the projector. This is the screen. They should be lined up so that the shadow of the projector covers
