How did previous generations of scientists think of the Universe, and how has that understanding changed over time?
- Cosmology, or 'science of the world', began in ancient Greece.
- Aristotle (300 - 210 BC) taught that the Sun and planets orbited the Earth.
- The heliocentric model (supported from 1500 AD) placed the Sun at the centre of the Universe.
- The Sun is in fact the centre of the Solar System, which is a small part of the whole Universe.
Cosmology is the study of the Universe
It means 'science of the world'
500 BC – 300 BC
Cosmology began with the ancient Greeks
Aristotle taught that stars and planets circled the Earth
300 BC – 210 BC
Heliocentric model was proposed
This put the Sun at the centre of …
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