1 Not cisgender. Used to include people who do not have the same sex and gender but do not identify as transgender.  2013, Rebecca Borison, Penn Non-Cis fights underrepresentation on campus, The Daily Pennsylvanian (University of Pennsylvania), 13 January 2013:
Aside from the fact that the Moon, Earth and Sun don't orbit all in the same plane (as mentioned by Quora User's answer) there are two more reasons why the full moon can be seen during the day: 1  The full moon happens, as you correctly state, when the Sun, Earth and Moon are aligned.  That's no (full) moon!
Even many adults do not realize that the moon is often visible in the daytime. The moon is visible sometime during the day for most of the month, except near new moon, and right at full moon. This is a good short project for the whole class since you take the children outside for a little while.