Electromagnetic Spectrum Crossword

Part of the electromagnetic spectrum that has the longest wavelength
Distance from a center line to the top of a crest or the bottom of a trough
The distance between crests of a wave
Allows us to see the colors of the stars
Detect wavelengths emitted from hot stars
Our biggest evidence that the universe is expanding and the big bang happened
A theory our universe began as a single atom and began a violent expansion at the speed of light
Helps us detect black holes
Detects what an item is made up of
Part of the electromagnetic spectrum that has the highest frequency
Form of energy that is all around us and takes many forms
Range of all types of radiation.
These detect infrared rays of heat
One Earth Year
Number of waves passing a point in a certain time.
Energy being emitted from a source