When Will All The Planets Align 2025 In The Sky. This astronomy calendar of celestial events contains dates for notable astonomical events in 2025 including moon phases, meteor showers, eclipses, planetary alignments,. There will be one additional planet appearing, as saturn, mercury, neptune, venus, uranus, jupiter and mars will all be visible at the same.

21, with venus, mars, jupiter, saturn, neptune. In january and february 2025, six planets will form a giant arc in the evening sky: