Scientists use sunspots to track solar cycle progress.
How solar panels track the sun.
There are a number of alternatives here but the simplest is an ldr light dependant resistor.
Since we want to be able to track the sun we need some form of light detector.
Diy solar panels that track the sun.
Check out this video of a system designed by arizona man mike davis to have solar panels follow the sun across the sky.
Scientists use several indicators to track solar cycle progress.
Solar cycle 25 is underway and scientists are eager for another chance to put their understanding of solar cycle signs to the test.
Understanding the sun s behavior is an important part of life in our solar system.
The principle on which these work is that their resistance decreases as the light intensity increases.