This printable crossword puzzle on the topic of Astronomy & Space has 18 clues. Answers range from 4 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
This process takes place in the middle of a star.
The force that begins star formation
It started it all.
This happens to light from distant galaxies.
Left over from the formation of the Universe.
This is happening to the Universe now.
This happens to a red super giant.
This can be formed by a very large star at the end of its life.
A very young star.
A dying star.
This can be formed at the end of the red giant phase of an average star.
Cosmic background microwaves began as these.
This effect can change the pitch of a sound.
The further away a galaxy is, the ............. it is moving away.
The heaviest element that the Sun will make in its lifetime.
A cloud of dust and gas.
The only element found in the early universe.
This is being made in the Sun.