This printable crossword puzzle on the topic of Astronomy & Space has 15 clues. Answers range from 6 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
The moon having a progressively larger part of its visible surface illuminated, increasing its apparent size
Whenever we see the moon half illuminated by the sun, and half enshrouded in darkness
The movement of an object in a circular or elliptical course around another or about an axis or center
The phase of the moon in which it's completely illuminated
The phase of the moon when it is in conjunction with the sun and invisible from earth
The different way the moon looks from earth over about a month
The moon having the observable illuminated part greater than a semicircle and less than a circle
The different phases the moon goes through, gradually changing appearance as it orbits around the earth and rotates, over the course of 28 days
The curved sickle shape of the waxing or waning moon
The moon having a progressively smaller part of its visible surface illuminated, so that it appears to decrease in size
The tide during the first or third quarters of the moon when there is least difference between high and low water
The force that attracts something toward the center of the earth, or toward any other physical body having mass
Light up
An eclipse in which the moon appears darkened as it passes into the earth's shadow
A tide during a new for full moon, where there is the greatest difference between high and low water