Multiple choice general knowledge math & puzzles In astronomical year , We have an year represented by 0 True False Reveal answer Fill a bubble to check yourself A Correct answer Explanation Astronomical year numbering includes year 0, corresponding to 1 BCE in the Gregorian calendar. Year 1 BCE is followed by year 0, then year 1 CE. This system, used in astronomy, provides a continuous sequence without skipping from 1 BCE to 1 CE.