The Planets Crossword

This printable crossword puzzle on the topic of Astronomy & Space has 16 clues. Answers range from 4 to 7 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

I am the fastest moving planet
My surface temperature is about 460 degrees
I am the only planet that supports life
I am the planet with a red color
I have a lot of rings
I rotate on my side
It takes me 164 years to go around the sun one time
I was once a planet buy now scientists are not sure what to call me
Saturn has 31 of these
On Saturn the 2 gases are hydrogen and _____.
The planet Uranus goes around the sun one time in 84 _____.
The planet Neptune has a great dark ______.
Pluto is known for being not hot but very ______.
The surface of mercury is very _______.
Venus is the brightest planet in the ____ sky
It takes 365 ____ for Earth to revolve around the sun