An appulse – an angular coincidence – is similar to a conjunction.
An appulse refers generally to when two celestial objects appear close together, according to NASA.
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An airplane, center, is seen between the moon and Venus in Santiago, Chile, on Dec. 6, 2021. (Photo by MARTIN BERNETTI/AFP via Getty Images)
Appulses involving the moon typically occur several times a year.
Simultaneously, the moon and Venus will reach conjunction, according to Space.com.
A trio of bright lights, Venus, a crescent moon and Jupiter align as they rise in the pre-dawn sky over New York City on Jan. 31, 2019, as seen from Hoboken, New Jersey. (Photo by Gary Hershorn/Getty Images)
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A conjunction is a celestial event in which two planets, a planet and the moon or a planet and a star appear close together in Earth's night sky.
The crescent of the waxing moon can be seen together with Venus in the evening sky above a pine forest east of Berlin. (Photo by Patrick Pleul/picture alliance via Getty Images)
Conjunctions have no profound astronomical significance, but they are nice to view.