After establishing that light travels with a finite speed, 19th-century scientists had every reason to believe that light was a wave. Like sound traveling through the air, or shock waves through the Earth's crust, light appeared to be a disturbance in a medium it was traveling through. Thought to permeate all of space, they called this medium the luminiferous aether. The question is, does it exist?

Link to my video about Ole Rømer's determination of the speed of light:
   • Ole Rømer's brilliant Method to Deter...  

What do you think of the 'Luminiferous Aether'? Comment below!

Andromeda