Celestial Objects Crossword

This printable crossword puzzle on the topic of Astronomy & Space has 20 clues. Answers range from 4 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

The closest planet to the sun
Star clusters that are extremely luminous objects
Longer day than year
A dust cloud
Hot core at the heart of the collapsing cloud
The moon with a frozen ocean
The galaxy which the solar system belongs
Planet that spins sideways
Double dwarf planet
Cluster found in spiral and irregular galaxies
The great red spot
Galaxy with a spheroidal structure
Cause of black holes
Spacecraft that explored Saturn
A heavy element that stars produce
Planet that sustains life
Natural Satellites
Most widely recognized astronomical objects
The Red Planet
Surrounds the core of a star