1. The two dates from the chart above that would have nights with a full moon are October 31, 2020, and November 30, 2020. On these dates, the percent illuminated of the moon is 100%, indicating that the entire moon was lit by the sun.
2. Yes, Halloween night 2020 had a full moon, which means that the entire moon was lit by the sun on that night. A full moon occurs when the Earth is positioned between the sun and the moon, allowing us to see the fully illuminated side of the moon. Therefore, on Halloween night, all of the lighted part of the moon was visible from Earth, making it appear fully lit.