1989 Almanac of Celestial Events

For astronomy buffs, here's a guide to assorted celestial events and astronomical phenomena in 1989.

celestial events - moon phases diagram
Sunlight, reaching the moon from the upper left in this illustration, illuminates our satellite and creates its phases: 1) new moon, 2) crescent, 3) first quarter, 4) gibbous and 5) full. The moon then wanes through the sequence in reverse. Far right: a calendar of moon phases.
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