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(ă-pulss )
1. The apparent close approach of one celestial body to another. Often it refers to the close approach of a planet or asteroid to a star without the occurrence of an occultation.
2. A penumbral eclipse of the Moon.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006


(religion, spiritualism, and occult)

Appulse refers to either a partial occultation, a conjunction, a planet’s crossing of the meridian, or the entry of the Moon into the Earth’s shadow.

The Astrology Book, Second Edition © 2003 Visible Ink Press®. All rights reserved.


The near approach of one celestial body to another on the celestial sphere, as in occultation or conjunction.
A penumbral eclipse of the moon.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The instant of conjunction does not necessarily correspond to the moment of least angular separation between the two bodies (compare appulse).
Appulse develops software for Pricer's electronic shelf label system.
Appulse Corporation (TSX V: APL), a Canada-based oilfield services company, has announced its financial results for first quarter of 2009.
Mars and Spica are 14[degrees] apart on American evening of June 1st, 5 1/2[degrees] on July 1st, and 1.3[degrees] on July 13th, their own date of least angular separation (appulse).
He then described the current visibility of the planets, noting an unusually close appulse of Saturn and Venus visible before sunrise on November 26 & 27 with Mercury also not far distant.
Uranus appulse. Set your calendar to remind you to look at Uranus on the evenings of September 21st through 23rd.
I was aware that there was to be an appulse for these two objects and that they were of almost identical magnitude, but recent weather had been so poor as to make the observation unlikely of success.
Interestingly, their appulse (actual closest approach on the sky) occurs 6 days later, but even then their separation is more than 4[degrees].
Their appulse (closest encounter) comes on August 20th, when Mercury passes 1[degrees] below Venus, as shown in the "film strip" at right.
The appulse (least separation) of the two is only 4.3' at 23:36 UT; again observers in central Asia get a good view.
I am indebted to BAA member Mark Gingrich who alerted me to an unusual 'appulse' of Uranus and the star 44 Piscium.