195Every Day ScienceMedium1 light year = ?A9.5×10 12 kmB9.5×10 18 kmC9.5×10 6 kmD9.5×10 9 km Correct answerA. 9.5×10 12 km Explanation9.5×10 12 km is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.