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Across
Light with the longest wavelength
Another word for the number with 9 decimal places
A large group of stars
All types of light can be described as this
When light waves are squeezed or stretched, you see a change in ____
_____ law states that the farthest away galaxies are also moving the fastest
The big ___ theory describes the origin of the universe
True or false: The big bang theory was developed in the 1800's.
Down
Another word for the number with 6 decimal places
The ____ effect is how waves change as an object is moving.
A _____ year is a unit of distance in space
______ notation is another way to write large or small numbers
Name for how light behaves as it moves away from the observer
When sound waves are squeezed or stretched, you hear a change in ____
Light with the highest energy
The largest thing in our solar system