Planetary Alignment May 2 2024 Calendar. A planetary parade—also called a planetary alignment—happens when two or more planets come close together in the sky, appearing to be in line with one. Alignments are a trick of perspective.

This astronomy calendar of celestial events contains dates for notable astonomical events in 2024 including moon phases, meteor showers, eclipses, planetary alignments, occultations, oppositions,. What do planetary alignments mean for astronomers?