Chlo Melesa

Planet Earth Calendar 2024. Includes equinoxes, solstices, eclipses, comets and spacecraft events. Retrograde motion occurs when a planet appears to move backward in its orbit as observed from earth.

Retrograde motion occurs when a planet appears to move backward in its orbit as observed from earth. This astronomy calendar of celestial events contains dates for notable astonomical events in 2024 including moon phases, meteor showers, eclipses, planetary alignments, occultations, oppositions,.