SPACE in 10 words Crossword

This printable crossword puzzle on the topic of Astronomy & Space has 10 clues. Answers range from 3 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Which planet is furthest from the sun?
What is the name of NASA’s most famous space telescope?
What is the name of the first satellite sent into space?
What is the moon made of?
How much time does sun rays take to reach earth?
What is the time it takes for the earth to orbit the sun?
Is Pluto a dwarf planet?
Which planet has approximately the same landmass as Earth?
Ganymede is a moon of which planet?
What planet is the densest in our solar system, and also has only one satellite?