Where Does Space End?
Synopsis
Edwin Hubble demonstrated that the Milky Way is one galaxy among countless others, reshaping our understanding of the universe's vastness.
Synopsis
Aristotle believed Earth was at the center of a series of celestial spheres. His model dominated until the 16th century when Nicolaus Copernicus proposed that planets revolve around the sun. Edwin Hubble's work in the 1920s revealed that the Milky Way is just one of many galaxies. The documentary examines how modern theories, including cosmic inflation, suggest that our universe may be one of many, expanding endlessly. It traces humanity's evolving understanding of space and time through key scientific milestones.
Deep Dive
Why Watch
- See how Aristotle's theories shaped early astronomy.
- Find out what Edwin Hubble discovered about galaxies.
- Meet the scientists behind the theory of cosmic inflation.
Did You Know
- Aristotle believed Earth was at the center of 55 celestial spheres.
- Galileo used the first astronomical telescope in the year 1609.
- Edwin Hubble showed that the Milky Way is just one galaxy among many 80 years ago.
- The Milky Way is a vast revolving disc made up of stars and gas.
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Frequently Asked Questions
What did Aristotle believe about the cosmos?
Aristotle believed Earth lay at the center of a series of 55 celestial spheres, each moving in a way that predicted the positions of the planets or stars.
Who proposed that Earth revolves around the sun?
Nicholas Copernicus proposed that Earth and the other planets revolve around the sun.
What did Edwin Hubble discover about the Milky Way?
Edwin Hubble showed that the Milky Way is one galaxy in an ocean filled with island universes.
What are people saying?
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