science Ili vocab Crossword

This printable crossword puzzle on the topic of Astronomy & Space has 12 clues. Answers range from 7 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

the uniform microwave radiation remaining from the Big Bang
A theory on how the universe started.
The displacement of the spectrum to shorter wavelengths in the light coming from distant celestial objects moving toward the observer.
A synonym would be architecture.
An increase or decrease in the frequency of sound, light, or other waves
Holds us down.
Great Candy Bar.
reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy
The red end of the spectrum
"look mom it's mars"
a coherent group of propositions formulated to explain a group of facts or phenomena
an apparatus for producing and recording spectra for examination