A full moon is opposite the sun in its orbit around Earth. Its sunlit side is entirely visible from Earth. The moon appears full to the eye for two to three nights. However, astronomers regard the moon as full at a precisely defined instant, when the moon is exactly 180 degrees opposite the sun in … Continue reading Full Moon→
Current amateur astronomy information such as points of interest and events in the night sky, star party dates, educational information, telescopes buying tips and much more.