This printable crossword puzzle has 19 clues. Answers range from 3 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A small rocky body orbiting the sun
A celestial object consisting of a nucleus of ice and dust
A small body of matter from outer space that enters the Earth's atmosphere
The Sun, Earth and stars are in it
Saturn, Venus, etc.
A star that suddenly increases in brightness in just a few hours or days
Force of attraction between objects
Systems of millions to billions of stars; 3 main types
Actual or true brightness of a star; depends upon size and temperature of star
A galaxy shaped like a round or flattened ball, generally containing only old stars
A galaxy that has an undefined shape
Mercury, Venus, Earth and Mars
Jupiter, Saturn, Uranus and Neptune
The galaxy we're in
The theory of a primordial explosion that marked the beginning of space and time
A disk-shaped galaxy containing hot, bright stars and spiral arms. Our galaxy is this
The study of space
A fixed luminous point in the night sky which is a large, remote incandescent body like the sun.
The center of our solar system