Astronomy Quiz Crossword

This printable crossword puzzle on the topic of Astronomy & Space has 10 clues. Answers range from 3 to 10 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

A star that pulsates radically; changing in diameter and temperature is called?
What is the name of a hypothetical last stage of the evolution of a sun-sized star?
What is the most common element (by mass) forming Earth?
Which rover was the first to explore Mars?
The closet star to Earth
The only planet to have rings.
At night they come without being fetched, And by day they are lost without being stolen
I'm sometimes full, but I never overflow. What Am I?
What planet has the shortest year?
What, in space, does not give off light?