Moon at 12 degrees from the Sun, Mars at 17 degrees, Mercury at 14 degrees, Venus at 10, degrees Jupiter at 11 degrees and Saturn at 15 degrees from the Sun are commonly said to be the degrees of Combustion, however, it is not such a simple matter. Learn the proper way to calculate combustion and what combustion really is in the this video.
Prerequisites: Local Space, so that you understand the framework for determining combustion.