The fifth element of the heavens
Alchemy and the elixir of life
The cosmic tug of war
The fate of the universe
YOUR GOAL
Master of Unmasking the fifth element
007skaty This glowing upper atmosphere served as a boundary separating mortal breath on Earth from the divine realm of
007skaty Glowing glass and chrome rings rotate inside each other with precise geometric labels.
Luminiferous aether: In 1887, scientists thought light waves rode on an invisible cosmic highway, but a famous experiment in Ohio proved there is no aether at all.
The rarefied element once believed to fill the upper regions of space beyond the terrestrial sphere. Aristotle proposed this substance in his treatise De Caelo to explain the endless circular motion of stars.
Which famous 1887 experiment failed to detect the existence of the luminiferous aether?
Which ancient Greek philosopher formally introduced aether as the fifth element in the fourth century BCE?
What was the name of the invisible medium 19th-century physicists thought light traveled through?
In ancient Greek mythology, who was believed to breathe the pure substance called aether?
What shape did Aristotle claim was the natural motion of the celestial element aether?
Which astronomer in 150 CE used aether to map the universe as nested, rotating spheres?