Combustion of Planets in the Vedic Astrology - Astroblink Mars - 17 Degree Mercury - 13 Degree Jupiter - 11 Degree Venus - 9 Degree Saturn - 15 Degree Retrograde and Combustion at same time Retrograde planet has own strength and only Venus and Mercury lord can be retrograde and combust at the same time, when this condition occurs then planet has strong rays and it will be visible.