Final answer:
The grammatically correct option is C, which properly uses commas to list the descriptive attributes of the comets and mines in reference to the minimum required radius.
Step-by-step explanation:
The grammatically correct version of the provided statement is Option C: "Minimum Required Radius, Non-Splitting, or Non-Bursting Comets and Mines." This option uses commas appropriately to separate the adjectives that describe the comets and mines, specifically regarding their minimum required radius to avoid splitting or bursting.