LIGHT. What is Light?. What are some things that you know about light?. What is light?. Electromagnetic radiation Energy that travels in waves Ex. Radio waves, x-rays, light from a light bulb All EM Radiation travels at the speed of light 300,000 km/sec The c in E=mc 2.
What are some things that you know about light?
HOT GAS (ELEMENT)
An absorption spectrum
COOLER GAS -absorbs light (emission spectrum) of the same element
HOT CORE = hot compressed gas = continuous spectrum
The lines that are “missing” are the elements in the atmosphere of the star
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