This printable crossword puzzle on the topic of Astronomy & Space has 12 clues. Answers range from 3 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
What is 4.6 billion years old?
How many planets are in our Solar System?
What planet is the largest in the solar system?
What planet is the smallest in our solar system?
What is it called when the moon gets bigger?
What is it called when the moon gets smaller?
What is the imaginary line that Earth spins on?
What planet is technically not still a planet?
It takes _____ many days for the Earth to rotate around the sun. (Numbers)
What planet has the largest volcano that we know of?
What is the hottest planet in our solar system?
What is the coldest planet in our Solar System?