Wiktionary
occultations
n. (plural of occultation English)
Usage examples of "occultations".
Twenty-odd years of endless Lunar data, done by atomic (cesium) clock, electrically-automatically timed occultations of stars, backed by both triangulation and radar ranging, counterchecked by similar work done on the inner planets by other astronomers at other observatories—Certainly he could be wrong .
Martin summoned and inspected occultations, spectrum variability, brightness fluctuations.
The ship spoke of the possibility that humanity had developed wormhole technology—it had located a number of double occultations within the Home Galaxy that were typical of the theoretical effect of a wormhole exit passing between a star and an observer.