SPACE Crossword
This printable crossword puzzle has 20 clues. Answers range from 4 to 24 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
The study of the universe
A person who studies astronomy
Objects we can see in the sky are?
A hot ball of plasma that shines
The process of the nuclei of atoms fusing together to make larger atoms.
The average distance in between the sun and a planet
The distance a beam of light travels through space in 1 year
When a star explodes
A system with 2 stars
A region of rocky debris that froms a ring around the sun
A large cloud of dust
A region of space where gravity is so strong nothing can escape
Invisible matter in the universe that does not interact with life
The rainbow band of colours into which white light seperates
The theory that states the universe formed when an indefinetly dense point suddenly expanded in a single moment
Light that travels in a form of waves
Radio waves with very long wave lengths through visible light, to gamma rays with short wave lengths
an optional instrument that separates light into spectral colours
A series of dark lines across a star's band of colour
The change in position of spectral lines, to the left or right of where they normally are
