This printable crossword puzzle on the topic of Astronomy & Space has 10 clues. Answers range from 7 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
What is the ability to be maintained at a certain rate or level
What is the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets
All existing matter and space considered as a whole
The envelope of gases surrounding the earth or another planet
The outside part or uppermost layer of something
Between two bodies is proportional to the product of their masses and inversely proportional to the square of the distance between them
A region of space between the orbits of mars and Jupiter where most of the asteroids in our solar system are found orbiting the sun
The nature of something’s ingredients or constituents
Composed mainly of elements heavier than hydrogen and helium, such as oxygen, carbon, nitrogen, and sulfur
Composed mainly of hydrogen and helium